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Prism MigrationPrism Migration

EDB Converter Tool

Free trial Buy License $39

EDB Converter Tool

Export offline, dismounted, and corrupted Exchange EDB databases to multiple formats — PST, Office 365, PDF, EML, MBOX, Gmail — without Exchange Server or Outlook.

  • Extract Exchange EDB to PST & Cloud
  • No Exchange Server Required
  • Bulk Mailbox to Office 365 Migration
  • Scan for Recoverable Mailbox Data
  • Native Windows 11 & Server Support
  • Local Offline Processing

Free trial: 50 items per folder.

Buy Personal — $39
One-time payment Encrypted checkout No recurring fees
EDB Converter Tool · Local Sandbox
Verified 64-Bit
Source File Valid
Priv1.edb
Outlook Data File (.pst)
Integrity: SHA-256 Passed
Local Engine
Export Formats 6 Ready
PDF PDF
MBOX
EML
O365
Gmail
CSV CSV
All Supported Formats →
✓ Folder Tree Intact
✓ Attachments Kept
✓ Zero Outlook DLLs
100% Offline Machine Processing View 6-Step Guide
Available for macOS (M1-M4) & Windows System requirements

EDB Converter Tool features

Find the capabilities that matter to your task, from supported formats to processing options.

Formats and mailbox content

  • Export Exchange EDB to multiple formats: PST, PDF, HTML, MHTML, RTF, DOC, TXT, JSON, CSV, EML, MSG, MBOX, EMLX, Office 365, Gmail, IMAP, and Yahoo Mail
  • Direct in-memory ESE Jet-Blue B-Tree parser supporting 4KB, 8KB, 16KB, and 32KB page structures
  • Recovers dirty shutdown Exchange databases (JET_errDatabaseDirtyShutdown -550) without data-truncating eseutil /p
  • Full support for Microsoft Exchange Server 5.5, 2000, 2003, 2007, 2010, 2013, 2016, and 2019
  • Extracts all mailbox types: User Mailboxes, Shared Mailboxes, Archive Mailboxes, Disconnected/Purged Mailboxes, and Public Folders (Pub.edb)
  • Migrate complete Contacts (vCard), Calendars (iCal / RFC 5545), Tasks, and Notes to Office 365 and Google Workspace
  • Standalone operation — zero dependency on Microsoft Exchange Server, Active Directory, or Microsoft Outlook
  • ISO 19005-1 PDF/A generation with sequential legal Bates stamping, custom header/footer coordinates, and embedded binary attachments

Filters and file organization

  • PST output split at configurable size limits — 2GB, 5GB, 10GB, 20GB, or 50GB — for safe Outlook and Exchange import

Account access and automation

  • Microsoft 365 Admin Impersonation via Microsoft Graph API and Exchange Web Services (EWS) for bulk tenant rollout
  • Google Workspace Admin SDK support — migrate entire domains with one super-admin login, no per-user OAuth
  • P12 Service Account authentication for headless server deployments with no browser dependency
  • Admin User Mapping dialog — visually assign each EDB mailbox to its destination cloud account in a bulk table
  • IMAP Batch CSV Mode — load a CSV of credentials and migrate hundreds of mailboxes in a single automated run

Processing and job recovery

  • Interrupted Migration Resume Center — jobs checkpoint every message to SQLite, restart after a crash and skip already-migrated items automatically
  • Multi-threaded parallel conversion engine — Producer-Consumer thread pool scales throughput up to 35 GB/hr with available CPU cores

System compatibility

  • Apple Silicon M1/M2/M3/M4 Universal Binary macOS build — runs natively without Rosetta on Sonoma and Sequoia

Reports and data handling

  • Headless CLI mode — run full migrations from the command line via a JSON config file, RFC 4180 CSV audit log auto-generated

Need a closer look at a specific capability?

View all EDB Converter Tool features →

Supported formats and destinations

Check the input and output options for EDB Converter Tool. Review format-specific settings in the user guide before starting a full job.

Read the product guide →
Source files and accounts
  • Exchange EDB
  • stm
Export formats and destinations
  • PSTOutlook PST
  • PDFAdobe PDF
  • HTML
  • MHTML Archive
  • RTFRich Text (RTF)
  • WWord (DOC)
  • TXTPlain Text (TXT)
  • JSON
  • CSVExcel CSV
  • EML
  • Outlook MSG
  • MBOX Archive
  • EMLXApple EMLX
  • Microsoft 365
  • Gmail
  • IMAP Server
  • Yahoo Mail
Official Video Walkthrough

See EDB Converter Tool in action

Watch our step-by-step walkthrough to verify offline mailbox parsing, real-time message previews, and zero-cloud conversion workflows before evaluating your own archives.

EDB Converter Tool · Official Video Walkthrough (2:00)
1080p HD
EDB Converter Tool video guide preview
Duration: 2 min 00 sec
100% Offline Engine
Standalone: Operates with zero cloud upload & no Outlook installation
Watch on YouTube

Video Chapters & Key Steps

Click to jump to time
Verified Local Execution Guarantee All demonstrations in this walkthrough reflect the authentic desktop engine. The free trial allows you to convert up to 50 items per folder with full attachment and hierarchy preservation.

Evaluate EDB Converter Tool before you buy

Use the free trial to check whether the result fits your task. Here is what to look for when testing your own data.

  1. Select a representative archive

    Choose a file containing folders, attachments, and character encodings typical of your mailbox. Keep your source file safe.

  2. Configure target format and test split

    Select your desired export format (PDF, MBOX, or cloud migration) and set split thresholds if partitioning large archives.

  3. Verify output formatting and structure

    Open the exported files in your target email client or document reader. The free evaluation converts 50 items per folder to verify fidelity.

System requirements

Check your computer before installing EDB Converter Tool. Allow additional storage for your source files and output.

Download the free evaluation →

Trial limit: 50 items per folder.

Windows
Windows 11 / 10 / 8.1 / 7 (32-bit & 64-bit), Windows Server 2016-2022
Processor
Intel Core i3 2.0 GHz or AMD equivalent (Quad-Core recommended for 100GB+ databases)
Memory
4 GB minimum (8 GB recommended for large enterprise EDB stores)
Installation space
250 MB free disk space for installation
macOS
macOS 15 (Sequoia), 14 (Sonoma), 13 (Ventura), 12 (Monterey)
Mac processor
Apple Silicon (M1, M2, M3, M4) & Intel Core i5/i7 (Universal Binary)
Mac memory
4 GB minimum (8 GB recommended)
Mac installation space
300 MB free disk space
Additional requirements
No Microsoft Exchange Server, Active Directory, or Outlook installation required. Offline / Dismounted EDB database file access. Read-only sector scan with zero database locks

Choose your EDB Converter Tool license

Transparent one-time pricing with dedicated multi-year updates & zero recurring fees.

Personal License

$39

1-Year License & Updates

One-time payment • Zero recurring fees

Buy Personal License
  • 2 PCs / 2 Macs Workstation Activation
  • Convert up to 10 Files / Batches
  • Export to 4 Core Formats: PST, MBOX, EML, PDF
  • Zero Cloud Relay — 100% On-Device Processing
  • 1 Year Free Software Updates & Patches
  • Standard Email & Web Support
Most Popular

Business License

$99

2-Year License & Updates

One-time payment • Zero recurring fees

Buy Business License
  • 5 PCs / 5 Macs Workstation Activation
  • Convert up to 50 Files / Batches
  • All 14 Formats + Direct Outlook / Gmail / IMAP Upload
  • High-Speed Multithreaded Engine
  • 2 Years Free Software Updates & Patches
  • Priority 24/7 Technical Support

Enterprise License

$299

3-Year License & Updates

One-time payment • Zero recurring fees

Buy Enterprise License
  • 10 PCs / 10 Macs Workstation Activation
  • Convert up to 250 Files / Batches
  • All Formats + Office 365 Tenant Admin / G Suite Sync
  • Commercial & MSP Client Servicing Rights
  • 3 Years Free Software Updates & Patches
  • Dedicated 24/7 VIP Support + Remote SLA
Compare all license specifications & capabilities in detailed matrix

EDB Converter Tool: frequently asked questions

All 8 technical & workflow FAQs
Can I convert Exchange EDB files without an active Exchange Server or Active Directory?

Yes. Absolutely zero Exchange Server, Active Directory domain controller, or Microsoft Outlook installation is needed. Prism reads raw Exchange database pages (4KB to 32KB) directly off disk using an internal 64-bit engine that processes files directly without needing Outlook or Exchange.

My EDB database is in 'Dirty Shutdown' (-550) state. Can you recover my mailboxes?

Yes. A Dirty Shutdown (JET_errDatabaseDirtyShutdown -550) occurs when an Exchange Server crashes or dismounts before uncommitted transaction logs are flushed to disk. While Microsoft eseutil /p destructively truncates damaged tables, Prism operates in strict read-only mode, traverses the B-Tree structure, and extracts all healthy and orphaned mailboxes without modifying your source database.

What is the limitation of the Free Trial version?

The free trial allows you to load any EDB database (Priv.edb and Pub.edb), scan and discover all mailboxes (including disconnected and public folders), preview message bodies in HTML/Plain Text with full RFC headers, and export up to 50 items per folder to any of the supported target formats.

Does it support both Priv.edb (User Mailboxes) and Pub.edb (Public Folders)?

Yes. Prism fully supports both Priv.edb (Private Information Store containing individual user mailboxes and archives) and Pub.edb (Public Folders database). You can preview and export both database types seamlessly.

Which versions of Microsoft Exchange Server are supported?

Prism supports EDB databases from all Exchange Server releases: Exchange Server 5.5, 2000, 2003 (with or without companion .stm files), 2007, 2010, 2013, 2016, and 2019.

How to convert EDB to PST with automatic file splitting?

In Step 4, select PST as the destination format and choose an automatic split boundary: 2GB, 5GB, 10GB, 20GB, or 50GB. The engine partitions large mailboxes into clean Unicode PST volumes that open smoothly in Microsoft Outlook without risk of file corruption.

Can I migrate EDB mailboxes directly to Office 365 without AzCopy or PowerShell?

Yes. Prism connects directly to Microsoft 365 using Microsoft Graph API and Exchange Web Services (EWS). Using Admin Impersonation, administrators can map hundreds of EDB mailboxes to their corresponding cloud user accounts in a single table and stream data directly into Office 365.

What happens if a 200GB migration is interrupted by a power failure or network drop?

You will not lose any progress. Prism features a built-in SQLite Checkpoint Resume Center. Every converted item is cryptographically logged. When you reopen the application, click 'Resume' and the engine will continue exactly where it left off, automatically skipping already-migrated emails.

Need more detail?

All features → Step-by-step guide → System requirements → Release notes → Ask a question →
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