★ 4.5 / 5
from 1,090 verified reviews on G2, Capterra and Trustpilot
Eudora Mail Converter
PCDOTS Eudora Converter reads Eudora's mailbox archive directly: In.mbx, Out.mbx, Trash.mbx, and any user-named folder boxes the Eudora client created in its data directory. The address book file eudora.nnd (the Nicknames database) reads alongside as a contacts source. The wizard parses the mailbox files, walks every message with headers and attachments intact, and writes the result to PST, PDF, MSG, EML, MBOX, vCard, Gmail, Office 365, and other modern destinations. Standalone tool - the discontinued Eudora 7.1 client does not need to be installed.
Eudora's Storage Layout and What the Wizard Does With It
Eudora stored mail in .mbx files inside a user data directory: In.mbx for the inbox, Out.mbx for sent messages, Trash.mbx for the deleted folder, plus user-named .mbx files for each custom folder. Each .mbx is a modified Berkeley mbox - From-line separated message blocks with Eudora-specific X- header annotations. The address book lives separately as eudora.nnd (Nicknames database). Three feature pillars cover the wizard's reading-and-writing flow: discovery, parsing, and output.
Discovery: Find the Eudora Data Directory
The wizard accepts Add Files for individual .mbx selection or Add Folder for the whole Eudora data directory. Auto-detection scans the directory tree, identifies every .mbx and the eudora.nnd Nicknames file by file signature, ignores Eudora's index files (.toc) and table-of-contents auxiliaries. The resulting file list populates the navigation tree before any parsing begins.
Add Files for individual .mbx; Add Folder for whole data tree
Signature-based detection ignores .toc index files
Auxiliary Eudora files filtered out before parsing
Parsing: Walk Each .mbx File
Each .mbx file parses as a From-line separated sequence of message blocks. The wizard reads every block, extracts RFC 5322 headers (To, From, Subject, Date, Message-ID), the message body, and any MIME attachments. Eudora's X- header annotations (X-Eudora-Status, X-Eudora-Signature) survive the export verbatim - useful for forensic audits.
RFC 5322 headers, body, attachments extracted per message
Eudora X- annotations retained verbatim through conversion
Output: Write to File or Cloud Account
10+ destinations covered. File formats: PST, MSG, EML, EMLX, MBOX, PDF, HTML, RTF, TXT, vCard. Cloud destinations: Gmail, Office 365, Yahoo Mail, IMAP-capable servers. The eudora.nnd address book exports to vCard for direct import into Outlook, Apple Contacts, Google Contacts, or any vCard-aware system.
10+ file format outputs: PST, EML, MBOX, MSG, PDF, vCard
eudora.nnd Nicknames exports to vCard for any contacts app
Eudora .mbx Direct to Outlook PST
The most common Eudora migration: .mbx archive directly to Outlook PST. Aim the wizard at the Eudora data directory, the wizard reads every .mbx, writes one PST per source file or one combined PST for the whole archive. The output PST opens in Outlook 2007 and later, or imports into Exchange Server via New-MailboxImportRequest. Folder hierarchy from the Eudora directory tree retained as Outlook folder structure.
eudora.nnd Nicknames to vCard or PST Contacts
Eudora's address book lives in a separate file: eudora.nnd, the Nicknames database. The wizard reads it alongside the .mbx archives and exports to vCard (.vcf) for Outlook, Apple Contacts, Google Contacts, or directly to PST contacts entries when PST is the destination. Nickname groups from Eudora become contact categories at the destination.
In.mbx, Out.mbx, Trash.mbx All Read
Eudora's standard mailbox files are named by function: In.mbx (inbox), Out.mbx (sent items), Trash.mbx (deleted items), plus user-named .mbx files for each custom folder the user created. The wizard reads all of them in one batch. Each .mbx becomes its own folder at the destination, named to match the source.
Eudora X- Header Annotations Retained
Eudora attached custom X- headers to every message: X-Eudora-Status (read state, flagged state), X-Eudora-Signature (which signature template was applied), X-Eudora-Filter (which inbox filter rule fired). The wizard retains these X- headers verbatim through conversion to PST, EML, MSG. Useful for forensic audits where the message journey through Eudora needs reconstruction.
Eudora to Gmail or Office 365 Cloud Upload
Modern destinations available alongside file outputs. Gmail: the wizard authenticates with the destination Google account (OAuth or app-specific password), uploads each .mbx folder as a Gmail label with messages retained. Office 365: Exchange Online destination, uploads as Outlook folders with Eudora's folder hierarchy intact. Yahoo Mail and IMAP: standard IMAP upload to any IMAP-capable server.
No Eudora Install Required at Workstation
Eudora was discontinued by Qualcomm in 2006. The classic Eudora 7.1 binary still runs on Windows but receives no updates and has known TLS issues with modern mail servers. The wizard's parser reads .mbx files directly from disk, the discontinued Eudora client does not need to be installed at the conversion workstation. Useful for legacy archives stored on backup media where Eudora was never installed.
10+Output destinations supported
2006Year Qualcomm discontinued Eudora
100%Header retention through conversion
1,090Verified user reviews
Simple 3-Step Process
Three Phases from Eudora .mbx to Output
The directory load, the format pick, the save - three phases cover most Eudora conversion jobs at the high level. Each phase hides specific details (.mbx parsing, attachment decoding, format mapping) that the eleven-step walkthrough later on this page covers in full.
01
1. Load the Eudora Data Directory
Click Add Files for individual .mbx selection or Add Folder to point the wizard at the whole Eudora data directory. The wizard scans the tree, identifies In.mbx, Out.mbx, Trash.mbx, user folder boxes, and the eudora.nnd Nicknames file by signature.
02
2. Choose the Output Destination
Hit Export. The output picker splits into file types (PST, MSG, EML, EMLX, MBOX, PDF, HTML, RTF, TXT, vCard) and online accounts (Gmail, Office 365, Yahoo, IMAP). Online accounts trigger a credentials dialog at the next step.
03
3. Save and Run the Conversion
Browse to the destination folder for file outputs, or confirm destination credentials for cloud outputs. The licensed edition processes unlimited Eudora archives; the trial caps at 25 items per folder for evaluation.
Software Compatibility
Eudora Source Files and Output Targets
Source: .mbx mailbox files (In.mbx, Out.mbx, Trash.mbx and user-named folder boxes) and the eudora.nnd Nicknames address book from the Eudora data directory. Destination: 10 file formats (PST, EML, EMLX, MSG, MBOX, PDF, HTML, RTF, TXT, vCard) and 4 cloud services (Gmail, Office 365, Yahoo Mail, IMAP). 14 total destinations covering every common Eudora-to-elsewhere migration path.
Input File Formats / Servers
Specialized and Tested Across Every Common Email Source
The Eudora Converter for Windows reads .mbx mailbox files and the eudora.nnd Nicknames address book from the discontinued Eudora client. Whether the data sits in orphan files on a hard drive or behind an IMAP login, the converter handles it natively without needing the original software installed.
Browse the full list of input file Eudora source files (.mbx, eudora.nnd) and output destinations the Eudora converter reads and writes.
Email File Formats8 formats
Format
Full Name
Type
Description
PSTInput & Output
Personal Storage Table
Microsoft Outlook
Primary Outlook data file containing emails, contacts, calendar, tasks, and notes.
OSTInput
Offline Storage Table
Microsoft Outlook
Offline cached copy of Exchange mailbox data. Supports inaccessible or orphaned OST files.
MBOXInput & Output
Mailbox Format
Thunderbird, Apple Mail, Eudora
Universal text-based mailbox format used by dozens of email clients and servers (see IETF RFC 4155 specification).
EMLInput & Output
Email Message
Multiple clients
Individual RFC 822 email message files. Widely supported by Windows Mail, Outlook Express, and others.
MSGInput & Output
Outlook Message
Microsoft Outlook
Single Outlook email message in Compound Document File format. Retains all metadata.
OFTInput
Outlook File Template
Microsoft Outlook
Outlook email template files. PCDOTS converts OFT templates to any supported format.
OLMInput
Outlook for Mac Archive
Mac Outlook
Native archive format for Outlook on macOS. Contains emails, contacts, and calendar data.
DBXInput
Outlook Express Mailbox
Outlook Express
Legacy email storage format used by Microsoft Outlook Express (discontinued in 2006).
Desktop Email Clients9 clients
Email Client
Platform
Storage Format
Conversion Support
Microsoft Outlook
Windows / Mac
PST, OST, OLM
Full: emails, contacts, calendar, tasks, notes, attachments
Mozilla Thunderbird
Windows / Mac / Linux
MBOX
Full: all folders, subfolders, attachments, filters
Mailbird
Windows
Local profile store
Full: all mailbox data including multiple accounts
eM Client
Windows / Mac
Local database file
Full: messages, contacts, calendar, attachments
Mailspring
Windows / Mac / Linux
Local profile store
Full: all email data and account configurations
Postbox
Windows / Mac
MBOX
Full: Thunderbird-compatible MBOX format
Windows Live Mail
Windows
EML + WLMX
Full: all message folders and account data
Eudora
Windows / Mac
MBX (MBOX variant)
Full: legacy Eudora mailbox files
IceWarp
Windows / Linux
Proprietary
Full: direct IceWarp server data export
Cloud & Webmail Services7 services
Service
Type
Direction
Auth Method
Gmail / Google Workspace
Cloud Webmail
Input & Output
OAuth 2.0 / App Password
Microsoft Office 365
Cloud Business
Input & Output
OAuth 2.0 / Modern Auth
Yahoo Mail
Cloud Webmail
Input & Output
App-specific Password
iCloud Mail
Cloud Webmail
Input & Output
App-specific Password
Hotmail / Outlook.com
Cloud Webmail
Input & Output
OAuth 2.0
Google Takeout
Export Archive
Input
Takeout ZIP / MBOX
Any IMAP Server
Universal Protocol
Input & Output
IMAP / SSL / TLS
Email Servers5 servers
Server
Type
Storage Format
Notes
Zimbra
Open Source Server
Zimbra TGZ
Supports Zimbra Community & Enterprise editions
MDaemon
Windows Mail Server
MDaemon MAI
Direct MDaemon user folder access, no export needed
Kerio Connect
Business Mail Server
Kerio IMAP Store
Converts Kerio data stores directly without server access
Communigate Pro
Enterprise Server
Communigate CGP
Supports all Communigate mailbox folder structures
Lotus Notes / HCL
IBM/HCL Platform
NSF
Via intermediary conversion. Contact support for enterprise plans.
Output Destinations13 outputs
Output Format
Category
Best Used For
PST
Email File
Importing into Microsoft Outlook on any Windows PC
MBOX
Email File
Thunderbird, Apple Mail, Postbox, or any MBOX-compatible client
EML
Email File
Windows Mail, individual email archiving, or web uploads
MSG
Email File
Saving individual Outlook messages with full metadata
PDF
Document
Legal archiving, compliance, sharing non-editable email records
HTML
Document
Web-based email viewing, readable in any browser
CSV
Spreadsheet
Extracting email data for analysis in Excel or Google Sheets
vCard (VCF)
Contacts
Exporting contacts to any address book or CRM
ICS
Calendar
Exporting calendar events to Google Calendar, Apple Calendar
TXT
Plain Text
Simple archiving, text analysis, or importing into databases
Gmail
Cloud Service
Direct migration. Emails appear in Gmail inbox immediately
Office 365
Cloud Service
Direct migration to Microsoft 365 business mailboxes
IMAP Server
Protocol
Any IMAP-compatible server: Dovecot, Postfix, Exchange, etc.
Advanced Filters
What Else the Wizard Reads From an Eudora Archive
Beyond the headline mailboxes, an Eudora data directory holds several auxiliary file types the wizard surfaces. Filter rules live in filters.pce - the wizard reads them and reports the rule logic so the operator knows what inbox sorting was active. Signature templates in sigs/ subfolder. Stationery files for canned reply templates. The wizard surfaces each in the navigation tree alongside the .mbx archives.
For investigative work the wizard exposes the .mbx underlying byte sequence alongside the rendered Eudora view. Hex view for byte-level inspection of suspect messages, raw RFC 5322 source for header forensics, From-line index showing every message boundary in the .mbx, attachment listings with MIME type and original filename. Useful when an .mbx is partially corrupted and the operator needs to identify exactly which message blocks parse cleanly.
Search across the entire Eudora archive rather than per-folder. Boolean queries combine sender, recipient, subject keyword, body content, attachment name, date range and message size. The match list spans every .mbx in the loaded directory. Useful for legacy compliance discovery against archives where the original Eudora search index is no longer accessible because Eudora itself is no longer installed.
PCDOTS Eudora Converter v3.4
Smart Search
Why Users Switch to PCDOTS
Five Eudora Conversion Problems and Their Resolutions
Five recurring problems Eudora users hit when moving off the discontinued client. Each maps to a specific resolution path the wizard exposes. Skip ahead to the situation that matches the immediate blocker.
Problems You're Facing
Have an old Eudora archive but no Eudora installEudora 7.1 was the final classic release before Qualcomm discontinued the product in 2006. Many users have decades-old .mbx archives sitting on backup media without the original Eudora installation anywhere. The PCDOTS wizard reads .mbx files standalone, no Eudora install needed at the workstation. The discontinued client stays on the backup tape; the wizard reads the .mbx archive direct from disk.
Need to migrate to Outlook but Eudora has no PST exportEudora never had a built-in PST export feature. Generic mbox-to-PST converters lose Eudora-specific X- header annotations and fail on Eudora's modified mbox quoting rules. The PCDOTS wizard reads Eudora's native dialect with full fidelity: From-line handling, X-Eudora-* headers, attachment encoding, all retained through to the PST output that opens cleanly in Outlook 2007 and later.
Address book in eudora.nnd is being lost on conversionEudora's Nicknames database lives separately from the mail in a eudora.nnd file. Generic mbox tools ignore .nnd entirely; legacy archives lose the entire address book during conversion. PCDOTS reads eudora.nnd alongside the .mbx archives and exports the contacts to vCard (.vcf), PST contacts, or directly to a destination cloud account. Nickname groups become contact categories at the destination.
Whole Eudora data directory needs converting in one jobLong-time Eudora users built up hundreds of folder boxes across years of mail. Per-file selection on each .mbx is impractical. The wizard's Add Folder mode ingests the entire data directory tree, identifies every .mbx and the eudora.nnd by signature, walks them as one batch, writes a coherent output with the source folder hierarchy retained at the destination.
Eudora .mbx file is partly corrupted from old media.mbx files restored from old backup media or floppy archives sometimes have partial corruption - read errors at certain offsets, truncated message blocks, broken From-line separators. The wizard's Hex view and From-line index show every message boundary; the operator identifies which message blocks parse cleanly and exports just those, with a recovery log noting the corrupted blocks.
How PCDOTS Fixes It
Reads Eudora .mbx and .nnd standaloneAim PCDOTS at the Eudora data directory or individual .mbx files. The wizard parses .mbx via its own Eudora-aware reader, no Eudora install needed at the conversion workstation. Reads the eudora.nnd Nicknames address book alongside. Works on orphan archives from machines where Eudora was never installed.
Carries every component, not only message bodiesEvery Eudora component reads out: RFC 5322 headers including X-Eudora-* annotations, message body, attachments, embedded images, eudora.nnd contacts, filter rules from filters.pce, signature templates from sigs/, stationery files. The destination format determines which components survive the export (PST and PDF carry mail-only; vCard carries contacts; some destinations carry both).
Direct MBOX to Gmail migration in a single click.Connect your Gmail account inside the converter. PCDOTS pushes the messages straight into your inbox without a download and re-upload step.
Filters by sender, date, subject for scoped jobsBulk Eudora conversions rarely target the entire archive. Time-window narrowing by sent and received timestamps. Sender or recipient match by email address or domain. Subject substring for content match. Message size cap. Attachment presence. Each filter combines; the export writes only the matching slice of the Eudora archive.
Direct cloud delivery to Gmail and Office 365For cloud destinations the wizard skips the PST intermediate entirely. Gmail: OAuth or app-specific password, uploads each .mbx folder as a Gmail label. Office 365: Exchange Online destination, uploads as Outlook folders retaining Eudora hierarchy. Yahoo, IMAP: standard IMAP upload to any IMAP-capable server.
Real-World Applications
Six Reasons to Convert an Eudora Archive Today
Eudora has been discontinued for nearly two decades. Active conversion jobs come from predictable patterns: the long-time user finally moving to a supported mail client, the IT admin handling a departed-employee Eudora archive, the auditor accessing legacy mail for compliance review, the researcher fetching family-archive correspondence into a modern reader. Six recurring patterns below cover the bulk of customer support tickets, ordered roughly by frequency.
Personal Eudora Archive to Outlook PST
A long-time Eudora 7.1 user finally moves to a supported mail client. Modern Outlook is the destination, PST the destination format. The wizard reads the Eudora data directory standalone, walks every .mbx, writes one combined PST that opens in Outlook 2007 and later. The eudora.nnd Nicknames file converts to PST contacts entries in the same job. Years of correspondence land in Outlook ready for use.
PST to Office 365Exchange migration
Legacy Compliance Discovery on Eudora .mbx
A regulatory or legal review touches an old project. The relevant correspondence sits in archived Eudora .mbx files from the late 1990s through 2006. Eudora itself is no longer installed anywhere in the company. The wizard reads the .mbx files standalone, applies sender/date/subject filters to narrow the matching messages, exports the result as PDF for legal hold or DOCX for review.
PDF exportGDPR compliance
Departed Employee Eudora Archive Handoff
An employee retires after 20 years; their Eudora archive needs to land with a successor. The successor runs Outlook, not Eudora. The wizard reads the departing employee's .mbx archive, exports to PST or directly to the successor's Office 365 mailbox. Folder hierarchy from the source Eudora directory tree retained as Outlook folders at the destination. Done before the original workstation gets reimaged.
Corrupted PSTForensic recovery
Family or Personal Archive to PDF
A long-deceased relative's correspondence sits in Eudora .mbx files on a salvaged hard drive from the early 2000s. The family wants the correspondence accessible to multiple relatives without anyone needing to install discontinued software. PDF output is the answer: one PDF per .mbx folder, openable on any device by anyone, searchable by full-text. The wizard processes the entire archive in one batch.
MBOX to PSTEML to MSG
Eudora to Gmail or Office 365 Cloud
A user keeping a running Eudora 7.1 install moves to Gmail or Office 365 for the platform features and ongoing support. The wizard authenticates to the destination cloud account, walks the Eudora .mbx archive, uploads message-by-message with folder hierarchy retained as Gmail labels or Outlook folders. The user keeps every old correspondence in the new account, searchable and accessible from any device.
HIPAAHealthcare archives
Address Book to Modern Contacts App
A long-time Eudora user has built up a Nicknames database (eudora.nnd) over years - hundreds of contacts with addresses, phone numbers, custom notes. The wizard reads eudora.nnd standalone (without converting the .mbx mail), exports to vCard (.vcf). The vCard imports cleanly into Outlook contacts, Apple Contacts, Google Contacts, or any vCard-aware app.
Contact extractionCRM enrichment
Why Customers Choose This Tool
Eight Things This Wizard Knows About Eudora .mbx Files
The Eudora converter category is sparse - the discontinued client has no successor, and most generic mbox tools mishandle the Eudora-specific dialect. Generic mbox readers sometimes work but ignore .nnd address books and X- header annotations. Online services: upload archived mail to a third party, sometimes acceptable, often not. Standalone Windows tools: PCDOTS, BitRecover, SysTools. Eight specific Eudora-aware capabilities below explain what separates PCDOTS from the standalone field.
Reads Eudora's Modified mbox Dialect
Eudora's .mbx files use a modified Berkeley mbox format with Eudora-specific quoting rules and X- header annotations that generic mbox readers sometimes mishandle. PCDOTS knows the Eudora dialect: From-line variations, X- header retention, attachment encoding peculiarities. The result is round-trip fidelity that generic mbox-to-PST tools often miss.
Reads eudora.nnd Nicknames Address Book
Eudora.nnd is the Nicknames database - Eudora's name for the address book. Generic mbox tools ignore it entirely; legacy archives lose the address book during conversion. PCDOTS reads eudora.nnd alongside the .mbx files, exports the addresses to vCard, PST contacts, or directly to a destination cloud account's contacts list. Nickname groups become contact categories at the destination.
Retains X- Header Annotations Verbatim
Eudora attached custom X- headers to every message: X-Eudora-Status, X-Eudora-Signature, X-Eudora-Filter. These reveal how the message was processed - read state, applied signature template, which inbox filter rule fired. PCDOTS retains these headers verbatim through PST, EML, MSG output. Useful for forensic audits where the message journey through Eudora needs reconstruction.
Single Tool Spans 10+ Output Destinations
File-format outputs (PST, MSG, EML, EMLX, MBOX, PDF, HTML, RTF, TXT, vCard) and live cloud destinations (Gmail, Office 365, Yahoo, IMAP) sit in one wizard. No round-trip through PST as an intermediate when the actual destination is Gmail or Office 365; one job, one source-to-destination pass.
Reads Whole Eudora Data Directory
Eudora stored mail in a data directory tree with In.mbx, Out.mbx, Trash.mbx and user-named folder boxes. PCDOTS reads the whole directory in one job rather than requiring per-file selection: Add Folder ingests the entire tree, identifies every .mbx by signature, ignores Eudora's .toc index files and table-of-contents auxiliaries, and writes a coherent output keeping the source folder hierarchy.
Filter Trim by Sender, Date, Subject
For scoped exports, apply filters before the export step: date range (sent and received timestamps), sender or recipient match (email address or domain), subject keyword, message size cap, attachment presence. Each filter combines with the others. The export targets only the matching subset of the Eudora archive.
Standalone Tool, No Eudora Required
Eudora was discontinued by Qualcomm in 2006. Many .mbx archives sit on backup media without the original Eudora 7.1 installation. PCDOTS reads .mbx files directly from disk via its own parser; the discontinued Eudora client does not need to be installed at the conversion workstation, no original account required, no signed-in state needed.
Compatible With Windows 7 Through Windows 11
Wizard runs on Windows 11, 10, 8.1, 8, 7, Vista, XP and Windows Server 2008/2012/2016/2019/2022. .NET Framework 4.5 is the only runtime requirement. Useful for legacy admin desktops where Eudora was originally installed and where modern conversion tools no longer install, and for unattended Windows Server batch processing.
Technical Specs
System and Software Requirements
What you need to run the Eudora Converter for Windows, plus the trial limitations.
Software Name
PCDOTS Eudora Converter
Current Version
3.4
Processor
Pentium-class or higher
RAM
Minimum 2 GB
Hard Drive Space
100 MB free space
Operating System
Windows 11, 10, 8.1, 8, 7, Vista, XP. Server 2019, 2016, 2012, 2008, 2003 and earlier.
Trial limitation: the demo edition exports up to 25 items per folder so you can verify accuracy on real data before purchasing. The full edition has no limits and ships with a lifetime license.
Trial vs Full
Trial vs Licensed Edition for Eudora Conversion
Both editions ship the same binary, the same Eudora-aware .mbx parser, the same eudora.nnd reader, the same 14 destination targets, the same X-Eudora-* header retention. The trial caps writer output at 25 items per folder. The licensed edition ($49 one-time, single-workstation, perpetual) removes the cap and ships lifetime updates as Windows compatibility evolves.
Eudora converter alternatives are scarce given the discontinued client. Generic mbox tools: sometimes work but mishandle Eudora-specific X- header annotations and ignore the eudora.nnd address book entirely. Online services: upload archived mail to a third-party web tool, often unacceptable for archived correspondence with sensitive content. Manual paths: re-install Eudora 7.1, configure account, manually export message-by-message. Standalone tools: PCDOTS, BitRecover, SysTools. The matrix below compares the standalone field on dimensions that matter for Eudora conversion.
Feature
Best ChoicePCDOTS
Other Paid ToolsAid4Mail, Stellar, etc.
Free Tools / Online
Eudora .mbx and eudora.nnd Both
25+
10 to 40+
2 to 5
No Eudora Install at Workstation
Yes
Partial
No
Whole Eudora Data Directory in One Job
Yes
Yes
No
Cloud Upload to Gmail, Office 365, Yahoo
Yes
Partial
No
Live .mbx Preview With X- Headers
Yes
Partial
No
Hex View and From-Line Index
Yes
Partial
No
Time-Window, Sender, Subject, Size Filters
Yes
Limited
No
Attachment + eudora.nnd Address Book
Yes
Partial
No
Free Trial Available
Yes
Yes
Yes
Lifetime License
Yes
No
N/A
Eudora-Aware mbox Dialect Handling
Yes
Varies
No
24x7 Customer Support
Yes
Limited
No
30-Day Refund Policy
Yes
Varies
N/A
Starting Price
$49
$49 to $149+
Free (limited)
Comparison based on publicly available Eudora converter documentation at the time of writing. Capabilities may vary by competitor version. PCDOTS Eudora Converter is independently verified by 1,090 user reviews on G2, Capterra and Trustpilot.
Video Tutorial
Watch How to Convert Emails in 5 Minutes
A short walkthrough showing every step of the conversion workflow on a real source mailbox, from launch to verified output.
5 min walkthrough
YouTube
Real Performance Numbers
Eudora Conversion Performance Reference
Performance numbers below come from two reference sources. Internal regression testing against Eudora .mbx archives ranging from single-folder samples (one .mbx, ~100 messages) to long-time-user archives (multi-decade, hundreds of folder boxes, 100,000+ messages). Customer survey data: 1,090 verified reviewers reporting on production Eudora conversion outcomes.
85%
Customer Satisfaction
93%
Output Accuracy
99%
Successful Test Runs
How It Works
Eleven-Step Eudora Conversion Walkthrough
Standard eleven-step procedure for converting Eudora .mbx mailbox files and eudora.nnd Nicknames address book to any of the 14 supported destinations, deeper than the three-phase quick guide above. Each step references the corresponding wizard dialog and screenshot. Operator time per conversion: 5-90 minutes depending on archive size, folder count, and destination (cloud uploads slower than file outputs due to network throughput).
Run the wizard from the Start menu or desktop shortcut on the Windows machine. The source selection dialog opens with Add Files and Add Folder as primary actions and the navigation tree empty until files are added.
Add the Eudora Data Directory or .mbx Files
Click Add Folder to point the wizard at the whole Eudora data directory (the wizard auto-scans the tree and identifies every .mbx and the eudora.nnd file). Use Add Files to pick individual .mbx selections. The wizard ignores .toc auxiliary index files and other Eudora internals during the scan.
Walk the Eudora Folder Tree
Once files are loaded, the wizard walks the .mbx structure: In.mbx as inbox, Out.mbx as sent, Trash.mbx as deleted, plus user-named .mbx files for custom folders. Item counts and total size populate the navigation tree. Click any .mbx to expand its message list.
Preview Individual Eudora Messages
Click any message to render it in the preview pane: full RFC 5322 headers including X-Eudora-* annotations, message body, attachment listings with MIME type and original filename. Hex view and raw source modes available for inspection. Useful for verifying the .mbx parses correctly before committing to the export.
Apply Filters and Search
For scoped exports, apply filters: time-window narrowing on sent and received timestamps, sender or recipient match by address or domain, subject substring, message size cap, attachment presence. Boolean search across the full Eudora archive returns matches before commit.
Configure Component Coverage
Eudora exposes several component types: mail messages, eudora.nnd contacts, X-Eudora-* header annotations, attachments, embedded images. Each component type can include or exclude in the export. Useful when only the address book is wanted (skip mail, write vCard) or only the X- header forensic data is wanted.
Pick a File Format or Cloud Destination
Hit Export. The output picker splits into two columns: file types (PST, MSG, EML, EMLX, MBOX, PDF, HTML, RTF, TXT, vCard) and online accounts (Gmail, Office 365, Yahoo, IMAP). Online accounts trigger an auth dialog at the next step.
Configure Output and Authenticate Cloud
For file outputs, browse to the destination folder. For cloud destinations, the wizard launches the appropriate auth flow (Google OAuth for Gmail, Microsoft OAuth for Office 365, app-specific password for Yahoo). The wizard caches the destination token for the session only; no credentials persist after the wizard closes.
Execute the Conversion Job
Click Save to start. The wizard processes .mbx files sequentially with per-file progress reporting. Operation log records each successful and failed item with reason. Failed items typically come from corrupt message blocks in old backup-media archives where the .mbx has byte-level damage.
Confirm the Conversion Job
When the wizard reports Job Complete, the destination receives the converted output. The trial caps the writer at 25 items per folder; the licensed wizard processes any Eudora archive size without limits. Click Open Folder for file outputs to inspect the result, or open the destination cloud account to verify cloud uploads.
Spot-Check the Conversion Result
Open output PST in Outlook, output cloud destination in the relevant web client, output PDF in any reader. Spot-check that: Eudora folder hierarchy retained as folders, attachments open at original size, X-Eudora-* headers retained through conversion, eudora.nnd contacts populate the address book at the destination. Compare a sample of source-destination pairs side by side.
Independent Validation
Reviewed and Awarded by Trusted Software Sites
Independent third-party verification of PCDOTS Eudora Converter against documented .mbx and .nnd parsing capabilities. Each award sources from the original publisher (Software Informer, Softpedia, Soft32, FileHippo). The aggregate rating combines 1,090 verified reviewer responses since the most recent major release.
4.6
Average across all reviews
1,408
Verified user reviews
4
Editor's Choice awards
Editor's Pick
5.0
Software Informer
"100% Clean Award for error-free and virus-free email conversion across formats and sources."
100% Clean Award
5-Star Rated
5.0
Softpedia
"Earns a 5-star rating for ease of operation and smooth email conversion."
100% Free Award
Top Rated
4.5
Soft32
"4.5 stars: an all-in-one solution for converting email files to multiple output formats."
Editor's Review
Verified Safe
5.0
FileHippo
"100% Clean Award for secure and safe email conversion."
Safety Verified
100% authentic. Every award above is verified directly from the issuing publisher's site. PCDOTS does not pay for placement, reviews or ratings.
Quick Definition
What Is the Eudora Converter?
A Eudora Converter is a desktop utility that reads .mbx mailbox files from the discontinued Eudora 7.1 mail client (and predecessors back to Eudora 4) plus the eudora.nnd Nicknames address book, and writes the contained mail and contacts to other file formats and live cloud destinations. The PCDOTS Eudora Converter ships its own Eudora-aware .mbx parser (handles Eudora's modified Berkeley mbox dialect with X-Eudora-* header annotations), reads orphan .mbx archives without Eudora installed, and writes 10+ destinations including PST, EML, MBOX, MSG, PDF, vCard plus Gmail, Office 365, Yahoo, IMAP cloud targets.
Quick Verdict
Best for: Eudora .mbx archive conversion on Windows for users moving off the discontinued client, IT teams archiving legacy Eudora 7.1 archives, and individuals migrating to Outlook PST or Gmail after the Qualcomm sunset.
Free trial: 25 items per folder for evaluation, no credit card.
Price: $49 one-time payment for a lifetime license.
Platforms: Windows 11, 10, 8, 7, Vista, XP plus all Server editions.
Rating: 4.5 out of 5 stars across 1,090 reviewer responses on G2, Capterra and Trustpilot platforms.
Privacy: 100% local processing, GDPR-compliant, no data uploaded to PCDOTS servers.
FAQs
Eudora Conversion Reference Questions
Twelve reference questions covering Eudora conversion: source file types (.mbx, eudora.nnd, filters.pce), the discontinued-client context, common export targets (Outlook PST, Gmail, PDF), and capabilities around X- header retention and orphan-archive reading. Sourced from real user support tickets.
Which Eudora files does the wizard read?
Five file types from the Eudora data directory. .mbx mailbox files: In.mbx (inbox), Out.mbx (sent items), Trash.mbx (deleted items), plus any user-named .mbx for custom folders. eudora.nnd: Nicknames address book. filters.pce: inbox filter rules (read but not converted, surfaced for reference). sigs/ subdirectory: signature templates. stationery: canned reply templates. The wizard ignores .toc auxiliary index files and other Eudora internals.
What is an .mbx file in Eudora and why is it special?
An .mbx file is Eudora's mailbox storage file. Each .mbx holds the messages of one Eudora folder (the In.mbx for the inbox, Out.mbx for sent items, Trash.mbx for deleted items, plus user-named .mbx files for custom folders). Underneath, .mbx is a modified Berkeley mbox format with From-line message separators and Eudora-specific X- header annotations baked in. Generic mbox tools sometimes mishandle the Eudora dialect because of the X-Eudora-* headers and quoting rule variations.
Do I need Eudora installed on the Windows machine?
No. The wizard reads .mbx and .nnd files directly from disk via its own Eudora-aware parser. The discontinued Eudora 7.1 client does not need to be installed at the conversion workstation. The wizard runs on Windows 11, 10, 8.1, 8, 7, Vista, XP and Windows Server editions; .NET Framework 4.5 is the only runtime requirement. Useful for legacy archives stored on backup media where Eudora was never installed at the receiving machine.
How do I convert Eudora to Outlook PST?
Open the wizard, click Add Folder, pick the Eudora data directory (or Add Files for individual .mbx selection). The wizard reads every .mbx and the eudora.nnd Nicknames file. Click Export, pick PST from the file format menu. Choose one PST per .mbx file or one combined PST. Set destination folder, click Save. Output PST opens cleanly in Outlook 2007 and later, or imports into Exchange Server via New-MailboxImportRequest. The wizard ships its own PST writer; no Outlook install required at the conversion workstation.
Eudora was discontinued in 2006 - is this still useful?
Yes. Qualcomm discontinued classic Eudora 7.1 in 2006, but many users kept running the binary for years afterward and accumulated extensive .mbx archives. Today these archives sit on backup media, in old user-profile folders, on retiring workstations, on family-archive hard drives. The conversion wizard is the path from those legacy archives to a modern format (PST, PDF, Gmail) that current operating systems and mail clients can open. Eudora itself does not need to be running anywhere.
Can the wizard process a whole Eudora data directory at once?
Yes. Add Folder mode points the wizard at the entire Eudora data directory tree. The wizard scans the tree, identifies every .mbx by file signature, identifies the eudora.nnd Nicknames file, ignores .toc index files and table-of-contents auxiliaries. The full archive processes in one batch with per-folder progress reporting and a consolidated log. Tested workloads include long-time-user archives with hundreds of folder boxes and multi-gigabyte total volume.
What is the eudora.nnd file and what is in it?
Eudora.nnd is the Nicknames database - Eudora's name for the address book. The file lives in the same Eudora data directory as the .mbx mail files. It holds contact entries (name, email address, phone, notes) plus nickname groups for quick recipient selection from the Eudora compose window. Generic mbox tools ignore .nnd entirely; converting Eudora mail without converting eudora.nnd loses the entire address book.
Are attachments and X-Eudora headers retained?
Yes. MIME attachments extract from each message and either embed inline (PDF, DOCX) or save to sibling folders (Markdown, HTML). X-Eudora-* header annotations (X-Eudora-Status, X-Eudora-Signature, X-Eudora-Filter) retain verbatim through PST, EML, MSG output. These reveal how the message was processed in Eudora - read state, applied signature template, which inbox filter rule fired - useful for forensic audits where the message journey through Eudora needs reconstruction.
Can it read .mbx files from machines without Eudora?
Yes. Orphan .mbx files = mailbox files that exist on disk after the original Eudora 7.1 install was removed, the source workstation was reimaged, or the .mbx was restored from backup media to a machine that never had Eudora. Standard advice (re-install Eudora, import mailbox) does not work because the discontinued client is no longer easily available and may have TLS issues with modern mail servers. PCDOTS reads orphan .mbx standalone, no Eudora install needed, no original account credentials required.
How do I export Eudora archives to PDF?
Add the .mbx files or whole Eudora data directory to the wizard. Hit Export, choose PDF. Pick one PDF per email or one combined PDF per .mbx folder. Attachments either embed inline as PDF pages or save as separate PDF files alongside, depending on the chosen option. PDF survives any future device or operating system change - useful for long-term archival of legacy Eudora archives independent of any single mail client staying installed.
What does the free trial do and how is it limited?
Trial caps the writer at 25 items per folder. Loading the Eudora data directory, walking the .mbx file structure, viewing previews, configuring filters and destinations all work without restriction. Licensed edition is $49 one-time, perpetual, single-workstation, no recurring fees. Full installer download free; license key unlocks unlimited output.
How do I move Eudora mail to Gmail?
Add the Eudora data directory to the wizard. Hit Export, choose Gmail from the cloud destinations. Authenticate to the destination Google account via OAuth 2.0 (modern accounts) or app-specific password (accounts with 2-Step Verification). The wizard uploads each .mbx folder as a Gmail label, with messages preserved including X-Eudora headers and attachments. The Eudora folder hierarchy from the source data directory becomes nested label structure in Gmail.
Customer Stories
Eudora Conversion Reports From the Field
Three Eudora conversion reports below: a 22-year archive from Eudora 4 through 7.1 migrated to Outlook PST overnight, an inherited workstation with broken Eudora install converted to family-archive PDF without fixing the broken install, and a long-time Eudora 7.1 user moving everything to Gmail because modern TLS broke the discontinued client. Reviewer identities verified by hosting platforms (G2, Capterra, Trustpilot).
G2 Reviews
4.7
412 reviews
Capterra
4.6
287 reviews
Trustpilot
4.6
521 reviews
Software Suggest
4.5
188 reviews
"
"22 years of Eudora archive landed in Outlook overnight."
A 22-year Eudora archive spanning Eudora 4.0 through Eudora 7.1, with about 80,000 messages across 47 folder boxes plus an eudora.nnd Nicknames database with 1,200 contacts. The original Windows XP workstation was being retired and the operator finally wanted everything in Outlook 2021. PCDOTS read the .mbx archive directly from the salvaged hard drive (no Eudora install on the conversion workstation), exported to one combined PST with folder hierarchy retained, and exported eudora.nnd to PST contacts. Outlook opened the result on first launch with every message intact, X-Eudora-Status headers preserved, and the contact list populating the Outlook address book. Total operator time: 2 hours setup plus an overnight batch.
EML to PSTFolder hierarchy preservedBulk conversion
GF
Genelia FernandezLong-Time Eudora User · California, United States
Verified review · G2
Single-pass backup of decade-old Eudora data
Inherited my late father's old workstation with about a decade of Eudora 6 archives - mostly business correspondence and family threads. The Eudora install on the machine was broken; the binary would not launch on modern Windows. I aimed PCDOTS at the data directory directly. The wizard read every .mbx, exported to one combined PDF for family archival, plus PST for my personal use in Outlook. No need to fix the broken Eudora install; the wizard read the .mbx files standalone.
Salvaged Eudora archiveFamily-archive PDF
KJ
Kylie JohnnFamily Archive Operator · New Town, Sydney, Australia
Verified · Capterra
Eudora to Gmail cutover for ongoing platform
Used Eudora 7.1 for personal email since the late 1990s. Final straw was modern TLS - the discontinued client could not connect to my mail provider after the provider deprecated old TLS versions. I needed to land on Gmail with everything I had. PCDOTS authenticated to my Gmail account, walked the entire Eudora data directory, uploaded each .mbx folder as a Gmail label. Folder hierarchy retained as nested labels. Years of correspondence in Gmail in one upload, accessible from any device.
Eudora to Gmail cutoverFolder hierarchy as labels
AM
Andrew MurphyIndependent Consultant · Drammen, Norway
Convert Your Eudora Archive Trial Edition, No Card Required.
Download PCDOTS Eudora Converter, convert up to 25 items per folder and verify the wizard handles your exact Eudora archive. Upgrade only when you are satisfied with the result.
