5 Best OLM Converter Tools in 2026

Compare Softaken OLM conversion tools for Mac Outlook migration to Windows Outlook,Thunderbird,Apple Mail,MSG,and IMAP cloud accounts — based on export formats,features,and migration needs.

Looking for the best OLM converter software in 2026?Converting OLM files from Mac Outlook to Windows Outlook,Microsoft 365,Gmail,Thunderbird,Apple Mail,or other platforms needs a reliable migration tool. Below,we compare five Softaken OLM converter tools based on supported export formats,attachment handling,ease of use,conversion capabilities,and suitability for different migration requirements.

In this guide,we explain the key features,limitations,and ideal use cases of each tool so you can choose the right OLM converter for your needs. These are Softaken tools built for different OLM export destinations — not five unrelated third-party brands.

Quick recommendation:Softaken OLM to PST Converter is a strong starting point for Mac Outlook to Windows Outlook migration. Prefer EML/EMLX,MSG,MBOX,or IMAP destinations? Use the matching Softaken tool from the comparison below. Softaken OLM Converter Suite brings these five conversion options together for Mac Outlook migrations.

OLM Converter Comparison Table

Use this side-by-side view to pick a tool by destination format and migration goal.

OLM ConverterBest ForSupported FormatsAttachmentsKey CapabilityTrial
OLM to PST ConverterMac Outlook → Windows OutlookOLM → PSTKept intactStandalone PST export with previewFree trial available
OLM to EML/EMLX ConverterEML-based clients &Apple MailOLM → EML / EMLXExported with emailsFolder hierarchy maintainedFree trial available
OLM to MSG ConverterSingle Outlook .msg filesOLM → MSGKept intactDate-range filters &log fileFree trial available
OLM to MBOX ConverterThunderbird,Mac Mail &MBOX appsOLM → MBOXExported with emailsSingle or multiple MBOX outputFree trial available
OLM to IMAP ConverterGmail,Office 365 &IMAP cloudsOLM → IMAP accountsMigrated with mailbox dataDate filters &empty-folder skipFree trial available

1. Softaken OLM to PST Converter– Best for Windows Outlook

Best for:Windows Outlook migrationFormat:PSTStandalone tool

Softaken Converter is a well-equipped tool for conversion of OLM file to PST file format. The software allows opening Mac Outlook data items into Windows Outlook all versions. Keeping all attachments and email components intact,OLM data to PST file format is flawlessly exported by the program. There is no dependency on any email client for the conversion of OLM mailboxes into PST file format.

Find major key points of this software:

  • Any size OLM file to PST file format is converted seamlessly by the software
  • It allows conversion of all OLM data items into PST file format
  • Provide you detailed preview of OLM data items before export into PST file
  • Give you smart,easy and error-free conversion results
  • Direct and accurate conversion of Mac Outlook 2019,2016,and 2011 OLM file to PST file
  • Completely standalone program to use without installing any supportive tool

Pros

  • Direct OLM to PST for Windows Outlook
  • Attachments and email components kept intact
  • Preview before export
  • Works as a standalone converter

Limitations / notes

  • Focused on PST output,not multi-format export in one tool
  • Trial version is for testing before purchase

Final verdict:Best suited for users who need to move Mac Outlook OLM mailboxes into Windows Outlook PST.

2. Softaken OLM to EML/EMLX Converter– Best for EML-based migration

Best for:Apple Mail / EML clientsFormat:EML / EMLXFolder hierarchy

The second best tool is Softaken Converter that helps users to switch from Mac Outlook to Windows Live Mail,Outlook Express,Apple Mail,and other EML supportive email clients. Users have full freedom to upload any large OLM file to export into EML file format. In a few clicks,OLM emails into EML/EMLX file format including attachments are exported by the utility. Once you have the license keys,use this tool as per your choice.

  • It provides direct and easy conversion process to convert OLM file to EML format
  • The program allows conversion of all attachments associated with OLM emails
  • No Mac Outlook or additional program installation is needed
  • Support all healthy and large size OLM files
  • Maintain internal folder hierarchy of Mac Outlook OLM file
  • Show you preview of OLM data after scanning complete data

Pros

  • Exports OLM emails to EML/EMLX with attachments
  • Maintains internal folder hierarchy
  • No Mac Outlook installation required
  • Preview after scan

Limitations / notes

  • Best when your target client supports EML/EMLX
  • Not intended as a PST migration path

Final verdict:Best suited for users moving Mac Outlook data into Apple Mail or other EML/EMLX-friendly applications. For EMLX-focused export,see the related guide at the end of this page.

Free Download and Buy Now options are available on the product page linked in the heading above.

3. Softaken OLM to MSG Converter– Best for MSG export

Best for:Outlook .msg filesFormat:MSGDate filters

The third program in the list of best 5 OLM Converter Tools is Softaken Converter. It allows conversion of Outlook for Mac OLM file into MSG file format. Many times,users need to export OLM data items into Outlook single message format i.e. .msg. At that time,this program become helpful for users and they can export any huge OLM file into Outlook MSG file format. Only 4-5 simplified steps users need to follow to complete the conversion of OLM emails into MSG file format with attachments.

  • The software permits conversion of any large OLM file to MSG format
  • The utility works independently to convert OLM data into MSG file format
  • Keeping all attachments and email properties intact,the conversion is completed
  • The added OLM file is well scanned and previewed before conversion into MSG file
  • Date-range filters are available for the conversion of selected items
  • Log file of the conversion process is generated automatically by the app

Pros

  • Exports OLM items to Outlook MSG
  • Keeps attachments and email properties intact
  • Date-range filters for selective conversion
  • Automatic conversion log file

Limitations / notes

  • Ideal for MSG output,not full PST mailbox packaging
  • Trial limits apply before license purchase

Final verdict:Best suited for users who need OLM emails as individual Outlook MSG files.

Free Download and Buy Now options are available on the product page linked in the heading above.

4. Softaken OLM to MBOX Converter– Best for MBOX migration

Best for:Thunderbird / Mac MailFormat:MBOXSingle or multiple MBOX

Softaken Converter is another program offered for conversion of OLM file to MBOX based email clients like Thunderbird,Mac Mail,Entourage,Eudora,The Bat,and others. The program conveniently convert OLM emails into MBOX file format along with attachments. You are free to browse any large OLM file to export its data into MBOX file format. The software allows exporting OLM file to single or multiple MBOX files by excluding empty folders.

  • Freely convert any huge size OLM file items into MBOX format
  • Date filters are provided for desired data items conversion
  • The software allows conversion of OLM file to single MBOX or multiple MBOX files
  • The program show preview of OLM file items before export into MBOX file
  • The utility works standalone to convert OLM file to MBOX file format
  • Automatic generation of log file to provide complete conversion details

Pros

  • OLM to MBOX for Thunderbird and similar clients
  • Single or multiple MBOX output options
  • Date filters and preview before export
  • Standalone conversion with log file

Limitations / notes

  • Best for MBOX destinations,not Windows Outlook PST
  • Empty folders can be excluded during export

Final verdict:Best suited for users migrating Mac Outlook OLM data into Thunderbird,Mac Mail,or other MBOX-based applications.

Free Download and Buy Now options are available on the product page linked in the heading above.

5. Softaken OLM to IMAP Converter– Best for IMAP / cloud migration

Best for:Gmail / Office 365 / IMAPFormat:IMAP accountsCloud migration

With Softaken Converter Software,users are free to upload OLM file to IMAP enabled accounts like Gmail,AOL,Yahoo,G Suite,Office 365,and others. Only correct login details are required for conversion of OLM files into cloud accounts. In 4-5 easy steps,OLM to cloud conversion is performed by the software. There is no risk of data loss and compromise to data quality throughout the conversion process.

  • It offers smooth and quick conversion of OLM file to IMAP Server
  • No additional tool installation is needed for OLM to IMAP Conversion
  • Apply date range filters to migrate OLM emails into IMAP enabled accounts
  • All empty and unwanted folders can be excluded from OLM file to export into cloud accounts
  • Smart scan and preview of data of OLM file prior export
  • Automatic log file generation after the conversion

Pros

  • Migrates OLM data to IMAP-enabled cloud accounts
  • Supports Gmail,AOL,Yahoo,G Suite,Office 365,and more
  • Date-range filters and empty-folder exclusion
  • Scan/preview before export with conversion log

Limitations / notes

  • Requires correct IMAP login details for the destination account
  • Internet access is needed for cloud migration

Final verdict:Best suited for users who want to move Mac Outlook OLM data into Gmail,Microsoft 365,or other IMAP accounts.

Free Download and Buy Now options are available on the product page linked in the heading above.

One software for OLM File Conversion

Softaken OLM Converter Suite contains all these five tools. These best 5 tools will help and allows users to migrate data from Mac Outlook to other email clients.

How we evaluated these OLM converter tools

We compared the tools based on supported export formats,conversion workflow,attachment handling,folder preservation features described for each product,ease of use,and migration destination requirements. Choose the tool that matches your target format rather than treating every converter as interchangeable.

Which OLM converter should you choose?

  • Windows Outlook:OLM to PST Converter
  • Apple Mail / EML clients:OLM to EML/EMLX Converter
  • Single Outlook messages:OLM to MSG Converter
  • Thunderbird / MBOX apps:OLM to MBOX Converter
  • Gmail / Office 365 / IMAP:OLM to IMAP Converter

Note:All these tools are freely available for testing purpose whom users can download before investing in them. Moreover,all are well supported with Mac Outlook and Windows versions. Prefer official Softaken download links for a secure trial install.

Frequently Asked Questions

What is an OLM file?

An OLM file is the mailbox archive format used by Outlook for Mac. It can store emails,folders,attachments,and related mailbox items from Mac Outlook.

How can I open an OLM file in Windows Outlook?

Windows Outlook does not open OLM files directly. Convert the OLM file to PST with Softaken OLM to PST Converter,then open or import the PST in Windows Outlook.

What is the best OLM converter for PST conversion?

For Mac Outlook to Windows Outlook migration,Softaken OLM to PST Converter is designed to export OLM mailbox data into PST while keeping attachments and email components intact.

Can OLM files be converted to EML or MSG?

Yes. Use OLM to EML/EMLX Converter for EML/EMLX output,or OLM to MSG Converter for Outlook MSG files.

Can I convert OLM files to Gmail or Microsoft 365?

Yes. Softaken OLM to IMAP Converter can migrate OLM data to IMAP-enabled accounts such as Gmail,AOL,Yahoo,G Suite,and Office 365 using correct login details.

Does OLM conversion preserve attachments and folder structure?

Softaken’s OLM tools are designed to keep attachments and related email components intact. Tools such as OLM to EML/EMLX Converter also aim to maintain the internal folder hierarchy of Mac Outlook OLM files.

Is free OLM converter software available?

Yes. Softaken provides free trial versions of these OLM converter tools so users can test the conversion workflow before purchasing a license.

How do I choose the right OLM converter?

Choose based on your destination format:PST for Windows Outlook,EML/EMLX for Apple Mail or similar clients,MSG for single Outlook messages,MBOX for Thunderbird and related apps,and IMAP for cloud accounts such as Gmail or Office 365.

Related OLM Migration Guides

Summation— Through this article,we tried to help users to migrate from Mac Outlook to other applications with 5 best OLM Converter Tools. All are simple to use and offer accurate results without any delays. Pick the Softaken tool that matches your target format,test with the free trial,then continue with the licensed version for full conversion.