How to Extract Attachments from OLM Files on Windows

Updated On - September 15, 2026 by Nasir Khan | Reading Time: 5 minutes

Quick Answer

To extract attachments from an OLM file on Windows, you need an application that can read Outlook for Mac’s OLM format. Outlook for Windows does not natively open OLM files. If you still have Outlook for Mac, you can open the mailbox and save attachments manually. If you only have the OLM file on a Windows computer, use Regain OLM Converter tool to scan the file, select the required emails, and save their attachments to a local folder.

Microsoft Outlook is the market leader because of its convenient features for both personal and professional use. Microsoft released Outlook for Mac Edition after achieving great success with Windows.

All Mac versions of Outlook use the OLM file format to hold their own databases. Data such as emails and attachments, calendars, address books, to-do lists, journals, and messages are kept in a single OLM file. Attachments stored in OLM files can be extracted for a variety of reasons.

Why Extract Attachments from OLM Files?

  • Access important files without opening Outlook for Mac
  • Save attachments separately for easy access
  • Reduce the size of an Outlook archive
  • Create a separate copy of important documents
  • Extract attachments from old OLM archives
  • Access OLM attachments on a Windows computer

Can Outlook for Windows Open OLM Files?

Yes. If you have the OLM file but no longer have access to Outlook for Mac, you can use Regain OLM Converter tool on Windows to scan the archive and extract attachments. Outlook for Windows does not directly support opening OLM files.

Methods to Extract Attachments from OLM Files

There are two practical approaches:

Method 1: Extract Attachments Using Outlook for Mac (Manually)

If you still have access to the original Mac and Outlook for Mac, you can open the mailbox and save attachments manually.

Limitations:

  • Requires access to Outlook for Mac
  • Attachments generally need to be saved individually
  • Not convenient for hundreds or thousands of emails
  • Not suitable when you only have an OLM file on a Windows PC

Method 2: Extract Attachments from OLM on Windows Using Regain Software

Regain OLM Converter tool is a fast and effective way to get your attachments out of OLM files on Windows. Only this program can assist you in extracting OLM attachments.

It allows you to examine a preview of the contents of OLM files, including emails, contacts, calendars, and more, on your Windows computer. All attachments in Outlook for Mac OLM files can be easily extracted with a few clicks. The software reliably and precisely completes the task of downloading attachments.

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Steps to Extract Attachments from OLM Files on Windows

  • Step1: Install and open the Regain OLM to PST converter tool.
  • Step2: Click on the Browse option from the ribbon bar.
  • Step3: Now add OLM files from which you want to extract attachments.
  • Step4: Select emails from which you want to extract attachments.
  • Step5: Choose a file format and location to save attachments and click on the Save Data option.
  • Step6: The software will extract emails containing attachments into a selected file format and display a live log report.

Benefits of Using Regain Software

This program is recommended for various reasons to extract attachments from the Mac version of Outlook.

  • This software is the most accurate at converting and extracting all attachment files from OLM emails.
  • Our tool is designed to facilitate a swifter converting procedure. This utility makes it easy to get files attached in Outlook for Mac.
  • To make it simple for users to locate the attachment associated with a certain mailbox. The software saves each email attachment in its own separate folder.
  • You can use this tool to export attachments from the OLM file any number of times you like.
  • The software is compatible with all Windows versions.
  • Use Free version to convert 30 items per folder for free.

Conclusion

Extracting attachments from OLM files can make important files easier to access, organize, and manage. While manual extraction works for a few emails, it becomes time-consuming for large OLM files. Regain OLM File Converter provides a simple way to scan OLM files, preview emails, and extract attachments in just a few clicks on Windows.

Video Tutorial for OLM File Conversion Using Regain Software – Watch Now!

Frequently Asked Questions:

Q1. Can I extract attachments from an OLM file on Windows?

Ans. Yes. You can use professional Regain OLM Converter tool to scan the OLM file and extract attachments on Windows.

Q2. Can Outlook for Windows open OLM files?

Ans. No. Outlook for Windows does not natively support the OLM file format. Microsoft recommends other migration approaches for moving data from Outlook for Mac to Windows.

Q3. Can I extract OLM attachments without Outlook for Mac?

Ans. Yes. If you have the OLM file, Regain OLM Converter can be used on Windows without installing Outlook for Mac.

Q4. Can I extract attachments from multiple OLM emails?

Ans. Yes, Regain OLM Converter software supports batch selection/extraction. You can select the required emails and extract their attachments together.

Q5. Where are attachments stored in an OLM file?

Ans. Attachments are stored as part of the email data within the OLM archive rather than as a simple folder of independent files.

Q6. Can I extract only selected attachments from an OLM file?

Ans. Yes, with Regain OLM Converter tool that allows you to preview emails and select specific messages.

Q7. Is OLM the same as PST?

Ans. No. OLM is associated with Outlook for Mac, while PST is an Outlook data format used by Outlook for Windows.

Q8. Can I open an OLM file directly in Outlook for Windows?

Ans. No. Outlook for Windows doesn’t directly support OLM files.

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Author: Nasir Khan

I am Nasir Khan from India, working as a Content Developer in Regain Software. Here I am writing about our products and their updates. And writing some free solutions from converting emails or Cloud Migration process. We have tools like Email Converter, Emails backup and Cloud migration.