Methods to convert OLM to EML file format with attachments

Aparna Pandey
Aparna Pandey

Updated On - February 24, 2026

OLM files are bound to Outlook for Mac, and you can’t open them in any other email client. But the situation becomes challenging when you need to share, backup, or migrate emails. Here, EML files can seem to be a better option as they are compatible with different email platforms. Therefore, the blog highlights the best methods to convert OLM to EML format to make sure the mailbox data remains easily accessible.

OLM Vs EML Format: A Detailed Comparison Table

Check out the table below to find the basic differences between the two file formats.

Feature OLM Format EML Format

Full Form

Outlook for Mac Archive

Email Message File

Primary Use

Stores mailbox data from Outlook for Mac

Stores individual email messages

Platform Compatibility

Mac Only (Outlook for Mac)

Windows, Mac, Linux

File Structure

Single archive file

Separate file for each mail

Supports Attachments

Yes

Yes

Supported by

Outlook for Mac

Outlook, Thunderbird, Windows Mail, & others.

Migration Flexibility

Limited

High

Accessibility

Cannot open directly

Easily open in multiple clients

Best for

Full mailbox backup & export

Email sharing and cross-platform use.

Why Do Users Need to Convert OLM to EML? – Find Top Reasons

Here is the list of significant reasons that lead users to this conversion:

  • Store emails separately for flexible archiving or backup process.
  • Makes viewing and sharing of individual email messages quicker and easier.
  • Transfer or move EML files to different platforms anytime without platform restrictions.
  • Wider email client support, such as Outlook, Thunderbird, Windows Mail, and many others.
  • Simplify the migration process of mailbox data from Outlook for Mac to different platforms.
  • Reduce Outlook for Mac dependency and allow access to emails without the native application.
  • EML files provide better cross-platform compatibility to access them on Windows, Mac, and Linux devices anytime.

Pre-Checks: Must Follow These Important Conversion Points

Use the below prerequisites for smooth OLM to EML conversion and reduce the chances of potential risks.

  • Check the size of the file before conversion.
  • Keep a backup of the OLM file in a safe location.
  • Make sure the system has enough storage space.
  • Avoid using heavy applications during the conversion process.

Best Manual Method to Convert OLM to EML Files

It is the best available method to convert the OLM files when you have a small number of emails. Here are the detailed steps:

Note: You must have a fully configured email account in Outlook for Mac before the OLM to EML conversion.

  1. Launch the application and click on the File tab.
  2. Select the Import options and choose the Outlook for Mac archive file (.olm).
  3. Browse to select the import file and complete the import process.
  4. Your mailbox will appear in the Outlook application.
  5. Click on the emails to fully open and view them.
  6. Select all the required mails and drag & drop them to the desktop.
  7. All the emails will be saved in EML format automatically.

Try An Ideal Solution For Every Situation [Experts Recommended]

You can use the above manual method to convert OLM file to EML format. But remember, the native solution may only work when you have to convert a limited number of emails.

As the number of emails increases, it leads to issues like:

  • Lost metadata
  • File corruption
  • Risk of data loss
  • Disrupted hierarchy
  • Missing attachments
  • Time-consuming & tedious

To eliminate all the potential errors, relying on automated solutions like Recoveryfix will be the most appropriate option. The OLM to PST Converter tool converts single or multiple OLM files to EML, PDF, MSG, DOC, HTML, DOCX, and MHT formats. Also, it provides different filters to sort the mailbox data for accurate and precise output.

Free Download

Ending Notes

OLM to EML file conversion becomes a necessity when you have to share, move, or backup the emails. For this, we have provided the detailed steps to convert OLM files and make your email access platform-independent. The native solution is free, but it is slow and has limited applications. So, go with the recommended solution to convert OLM to EML file format without any number restrictions.

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