OLM to PST Converter Tool to Convert OLM file to PST

Stellar Converter for OLM software widely recommended by Administrators and Techies worldwide to convert Outlook for Mac Data File (OLM) to Outlook PST format, while keeping the mailbox data intact with 100% precision.

  • Converts all OLM mailbox items such as emails, attachments, contacts etc.

  • Saves the converted emails into PST, MSG (Message), and EML file formats
  • Supports Microsoft Outlook 2019, 2016, 2011 for Mac
  • Supports Outlook 2019, 2016, 2013, 2010, 2007 for Windows (32 and 64 Bit)
  • Exports OLM mailboxes to Office 365, PDF, HTML, and RTF  

*Free trial version shows preview of the converted mails without ‘To’, ‘CC’, & ‘BCC’ fields

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Key Features

Converts Outlook for Mac (OLM) File to PST icon

Converts Outlook for Mac (OLM) File to PST

Stellar Converter for OLM converts mailbox items such as Inbox, Contacts, Calendars, Tasks, and, Notes, etc. from Outlook for Mac data file (OLM) to Microsoft Outlook data file (PST). The software maintains the original folder hierarchy, mail settings, and data of your Mac Outlook mailbox during OLM to PST conversion. Read More: How to convert OLM to PST using software

Finds and Lists all OLM Files icon

Finds and Lists all OLM Files

The ‘Outlook for Mac’ to Microsoft Outlook conversion software provides options such as ‘Browse’ and ‘Find’, which you can use to locate or search an OLM file in your system. The ‘Browse’ option is particularly useful when there are a number of OLM files in your system and you don’t exactly know the location of the file. The software searches all the OLM files and lists them on the interface from where you can then select the particular file to be converted.

Free Preview of Converted OLM Mailbox Items icon

Free Preview of Converted OLM Mailbox Items

The software helps you verify the accuracy of converted mail items by displaying a free preview of individual mailbox components, in a three pane window. The left pane of the software interface displays selected OLM filename and its mail items in a tree structure. You can view the list of converted OLM file mails in the middle pane of the interface, while the content of individual mail items is displayed in the right pane.

Smart Saving Options icon

Smart Saving Options

Stellar Converter for OLM can convert Mac OLM file to Outlook PST and other file formats such as MSG (for message) and EML (for email). When saving converted OLM mailbox as PST, you have the choice to append the data into an existing PST or save it in a completely new PST. Further, the software also provides the option to filter the scanned results before saving the converted mailbox.

Additional Advantages

Live Software Updates icon

Live Software Updates

Stellar Converter for OLM gets timely updates to be able to consistently deliver desired utility, effectiveness, and overall performance. The ‘Update Wizard’ option of the OLM to PST converter software will notify you of any new updates available for download. The minor software updates are available free of cost except for the major updates that require registration.

View & Save Log Report icon

View & Save Log Report

The application allows you to save the Log Report of the process of converting OLM file to PST or other formats undertaken, thereby helping you to analyze the conversion at a later stage. Log report captures all the conversion process details along with any issue reported in the process initiated for conversion. To view the Log report you just need to select “Log Report” option from the view menu.

Vast Compatibility  icon

Vast Compatibility

OLM to PST conversion can be performed on systems running on Windows 10, 8, 8.1 and 7 Operating System.. Further, the converted mails can be successfully accessed on both 32-bit and 64-bit versions of Outlook 2019, 2016, 2013, 2010, 2007 and 2003.

Stellar Converter for OLM Technician icon

Stellar Converter for OLM Technician

Try the Stellar Converter for OLM Technician for more extensive features such as the ability to convert and save OLM file in multiple file formats. Essentially, the Technician edition of the software allows to export the converted OLM file to PST, EML, MSG, HTML, RTF, and PDF. It also enables you to directly export the OLM file data to Office 365. Try it now

Try Stellar Converter for OLM to switch to MS outlook from Outlook Mac

*Free trial version shows preview of the converted mails without ‘To’, ‘CC’, & ‘BCC’ fields

Software Specifications

System Requirement

ProcessorPentium Class

Operating System Windows 10, 8.1, 8 & 7

Memory2 GB minimum (4 GB recommended)

Hard Disk250 MB of Free Space

Software Delivery


License & Version

Single User LicenseCan use only on a single system

Technician LicenseMultiple Users


Interface Available

Language SupportedEnglish



Follow these instructions to export OLM file to PST:

  • Install and Run the software on your system.
  • Click ‘Browse’ to select OLM file.

NOTE: If you don’t know the location of your OLM file, click the ‘Find’ button to search for the file in the selected drive or folder.

  • Once you have selected the OLM file you want to export, click the ‘Convert’ button.
  • Check preview of the converted mailbox items.
  • Click ‘Save Converted File’ button, and select ‘PST’ file option.
  • Next, from the ‘Save File’ screen, select check box for either “Save each mailbox for Individual PST” or “All mailbox in a single PST” or “Append Data into Existing profile/PST file” as required.
  • Click Browse button to select the Destination path, and click ‘OK’ button to export OLM File to PST.

To access your mailbox data, import the resultant PST file into Outlook.


Once you have converted your Outlook for Mac 2011 or 2016/2019 (OLM) data to PST format, the next step involves importing the converted OLM file to Outlook 2010 or other versions. The procedure to import the file to Outlook 2010 is as follows:

  • Open Outlook 2010 and click the ‘File’ tab
  • Select ‘Open and Export’, and then click the ‘Import/Export’ option
  • In the ‘Import and Export’ wizard that appears, click ‘Import from another program or file’ and then click theNext button
  • In the ‘Import a file’ dialog box, select Outlook Data File (.pst)  and click ‘Next
  • In the ‘Import Outlook Data File’ dialog box that appears, click the Browse button to upload the PST file that needs to be imported to Outlook 2010
  • Under ‘Options’ section, select ‘Replace duplicates with items imported’ to prevent data duplication
  • Click ‘Next’ and then click ‘Finish’ to convert OLM to PST Outlook 2010

Yes, however, the mailboxes should be in a single OLM file to convert to PST, Office 365 or other required format by using Stellar Converter for OLM.


Yes, the OLM to Outlook Conversion software can help convert all the attachments along with the email messages. The original structure and attributes of the enclosed attachments remain intact during the conversion.


Yes, both Standard and Technician versions of the software are compatible with Windows 10, 8, 8.1, 7 and Vista. Also, both the OLM converter software editions supports Outlook 2019, 2016, 2013, 2010, and 2007 versions. However, the feature to export OLM file to Office 365 is supported by the Technician version.


Yes, you can export OLM file into Outlook 2019 Unicode PST format without any email loss by using Stellar Converter for OLM software.


If you are unable to find the OLM file on your hard drive, click the ‘Find’ button available on the home screen of the software.


Stellar Converter for OLM offers the Free Demo version with a motto of ‘Try before you Buy’, meaning, you can evaluate the features and functionality of the software before purchasing it.

Most importantly, the demo version of the software allows you to view the ‘subject line’ and ‘body message’ of the converted OLM file. But, to view or save all the data and open attachments of the converted OLM file to PST, Office 365 etc., you need to purchase the license key and activate the software.


No, the software can only convert a single OLM file at a time. However, this OLM conversion tool can convert multiple mailboxes in the OLM file to PST, EML, and MSG etc. simultaneously.

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