What is the maximum file size the Tool supports?

There is no limitation on file size to convert OLM to PST format. The conversion can be executed without any consequences.

Does it export attachments as well as emails from an OLM file?

Yes, MacUncle OLM to PST tool for Mac can convert all data from an OLM file.

Can I convert multiple OLM files to PST format simultaneously?

Yes, To accomplish this, place all OLM files in a single folder and select the Add Folder option from the software's UI. After that, click the Export button to begin converting the OLM file to PST format.

Screens
Video
Guide

MacUncle
OLM to PST Tool

(Average Rating 4.2 Based on 1556 Reviews)

Experts recommended tool to convert OLM to PST format. The Tool allows you to export Mac Outlook to PST format, with advanced filters to convert only the emails you actually need.

Download Now Purchase Now

Convert OLM to PST and Also to Other Formats: EML, EMLX, MSG, ICS, MBOX, etc.
Perform Batch Conversion of Multiple OLM Files to PST in a Single Cycle
Select Any Folders Instead of the Entire Mailbox
Filter Emails by Custom Date Range before OLM to PST Conversion
Split Large Outlook PST Files by Size for Easy Handling
Preserve the Email Metadata: To, Cc, Bcc, Date & Read/Unread Status
Directly Migrate the OLM Data to Office 365 & Exchange Server
Maintains Original Folder Hierarchy After the Conversion
No Outlook Installation Required on Mac or Windows
Creates a Detailed Conversion Log Report After Each Run
Free Demo Version to Convert the First 25 OLM Files at No Cost
Get the Windows Version of OLM to PST Converter from Here

OLM to PST Converter - 3 Steps

Complete the Process to Convert OLM to PST in Three Simple Steps

Add Mac OLM Files

Download OLM to PST Converter Tool and install it on your Mac system. Start adding Mac Outlook OLM files to the software interface using any ADD options. Upload files or folders to the panel. Select the desired files for conversion.

Opt PST Options

In the next step, select the PST format from the Select Saving list. Convert OLM to PST for Mac in this step. Browse an appropriate location to store the resultant *.pst file. Also, create a separate PST option enabled.

Now, Get the Result

Finally press the Export button to start the conversion process. Soon the conversion starts. The final location will pop up with the resultant PST file. A log file with complete details will be provided.

Why it Matters

Why Convert OLM Files to PST Format?

Outlook for Mac stores the emails in OLM format, which only the application can read. The moment it is out of the Mac platform or a system without Mac Outlook, OLM becomes inaccessible. Convert OLM to PST to get access in a different Outlook profile, long-term storage, etc.

Why PST files – PST files are the most preferred format that backup, archiving, and eDiscovery tools require. Having a PST copy of a Mac mailbox gives a portable, restorable backup option that isn't tied to one machine or one operating system.

Reasons to Convert OLM to PST

Moving from Mac to Windows Computer
Archive old mail before disposing of the Mac
Share Mailbox with Windows-only IT Team or colleague
Create a portable backup independent of Mac
Preparing PST files for migration to Exchange or Microsoft 365

Export Control

Control Over PST Saving Option

Before starting the conversion of OLM files, the OLM to PST tool lets the user decide how the resultant PST files should be structured and sized. The output files follow the user’s workflow.

Select the Outlook Format: Use the Select Saving Option dropdown to choose the resultant format.
Create Separate PST per OLM File: Turn on the Separate PST per OLM option to generate an individual PST for every source file, rather than merging into a single large mailbox.
Automated PST Splitting: Enable Split PST and pick a size limit. Divide large mailboxes into smaller, easily importable files.
Customise Destination Path: Browse and choose exactly where the converted files must be saved, with the full path displayed.

Selective Conversion

Advanced Filter for Selective OLM to PST Conversion

Not every export needs an entire mailbox. Switch on Use Advanced settings for selective saving to set the filters and convert only the required emails.

Date Range Filtering: Set a start date and end date to convert only the messages from that time period.
From / To Address Filter: Enter Sender and receiver address to narrow the result to emails sent from or email addresses we specify.
Cc & Bcc Filter: Enter Cc or Bcc email address to filter and convert the messages associated with those specific email address.
Subject Keyword Filter: Convert only emails whose subject line has the keyword or phrase that is specified.
Exclude Folder: If required, enter the specific folder name to skip during the conversion, to keep the irrelevant mailboxes out of the final PST file. It also includes an option to exclude empty folders.
Attachment Based Filter: Choose Exclude email with attachments for text only export of emails, and use the Include email with attachment to cluster the messages that has attachments.

Mac OLM to PST Tool - Features

Remarkable Features of the Software to Convert OLM to PST on Mac

Simple & User-friendly GUI

MacUncle products are well known for their GUI. The OLM to PST Converter for Mac offers a complete user-friendly application for the Macintosh users. The Options for conversion like uploading, removal of the unnecessary file, exporting option, etc. all are built for the ease of the user.

Dual Options to Upload OLM Files

The software offers advanced features to the user thereby providing two different options: Add File and Add Folder. It allows users to select files as well as folders containing OLM files. You can check this feature by using the free demo version.

Batch Convert OLM to PST on Mac

With the help of two different options i.e., Add File(s) and Add Folder(s) in OLM to PST tool will let the user upload single as well as multiple files for the process of conversion. The tool lets the user select files that are supposed to be converted.

Converts Emails with Attachments

The files attached to the Emails are one of the most important part. The OLM to PST tool maintains the attachments intact after conversion. No matter what the file format of the attachments is, the OLM converter will continue the conversion.

No Limitation on OLM File Size

OLM to PST converter for Mac is developed with advanced features in each part of the conversion process. It allows users to export large OLM file without any restriction. Simply download the software and install it on your Mac system.

Browse The Desired Destinations

One of the vital features is the option to choose the destination location according to the user's preference. There is a default destination location as Mac’s Desktop so that the user doesn’t have to search for their files.

Maintain Metadata and Properties

Mac OLM to PST tool is developed in such a way that it uses the output PST file just like the Mail itself. All the components like, To, Cc, Bcc, From, Subject, Date, Inline Images, read and unread status etc. are the important parts of the Emails that will not be affected by the conversion process.

Suitable for All macOS Versions

OLM to PST converter for Mac is compatible with macOS 10.10 and all the latest versions. The software supports Mac versions like 10.10 Yosemite, 10.11 El Capitan, 10.12 Sierra, 10.13 High Sierra, 10.14 Mojave, 10.15 Catalina, 11 Big Sur, 12 Monterey, 13 Ventura, 14 Sonoma, macOS 15 Sequoia, and macOS 26 Tahoe. Download OLM to PST tool for Mac and install without any limitation.

Maintain Folder Structure

Mac OLM to PST tool ensures to maintain the default and user-created folder hierarchy. It has no effect on the folder structure, name, and size. The output PST file will have the same folder as in the source OLM file. Download free demo version and check this feature on your Mac system.

Create Separate PST per OLM File

The software allows the user to select an option to create separate PST file per OLM file. This option will create individual PST for each OLM file. User can check this feature in free OLM to PST tool for Mac demo version.

System Requirements & Version Details: OLM to PST Tool

Hardware and Software Requirement to Launch the Tool

Complete Software Details

Version:	v26.3.2
Size:	31.15 MB

Release Date:	March, 2026
Software Download:	Download Now Download Now

Trial Limitations:

Get the trial version of the tool to convert OLM to PST format. All the functionality is included in the trial version with the limitations to convert 25 emails at first.

Hard Disk Space:	400 MB of free hard disk space required
RAM:	512 MB of RAM (1 GB is Recommended)
Processor:	Apple Silicon M-series (M1 or later)

Platforms:

macOS 26 Tahoe, macOS 15 Sequoia, 14 Sonoma, 13 Ventura, 12 Monterey, 11 Big Sur, 10.15 Catalina, 10.14 Mojave, 10.13 High Sierra, 10.12 Sierra, 10.11 El Capitan, and 10.10 Yosemite.

Product Guide:

Software Guide Installation Uninstallation EULA

Free vs Full Version Comparison: OLM to PST Tool

Difference Between Demo and Full Version

Features	Trial Version	Full Version
Convert OLM to PST	25 Files	Unlimited Files
Preview Mailbox Data	No limit	No limit
Export Batches of OLM
Convert Large OLM Files
Maintain Folder Hierarchy
Preserve Email Properties
Works without Outlook Installed
OLM to PST Conversion Log Report
Dedicated Technical Support
macOS 10.10 & All Later Versions Supported
24×7 Free Technical Support (Live Chat, Email, Contact Form)
Price	Free	$29
	Download	Buy

What Customers Are Saying

Verified Purchase Reviews of OLM to PST Tool

Tony

Canada

Complete solution to convert OLM to PST on Mac. The software offers one of the finest techniques. The structure of the mail is maintained even after the conversion, which is a good feature that an application must have.

Dan

Netherlands

I bought a standard license and installed it on my MacBook. Even without Outlook, the software enabled me to convert OLM to PST file format. In my opinion, it is the best OLM to PST tool.

Diego

Mexico

The best software for dealing with Mac Outlook OLM files is the MacUncle OLM to PST tool. I was able to get all of my data in email and document formats thanks to the tool. It's worth the money!

George

United Kingdom

OLM to PST tool software offers high speed, absolute accurate, and various services as compared to other software. While converting a large size file, some software stops the conversion in between the process. With Macuncle the conversion was smooth.