Stellar Converter for OLM

OLM to PST Converter

Stellar Converter for OLM software is recommended by Administrators and Techies worldwide for converting OLM to PST. This advanced OLM to PST converter tool offers 100% precision and maintenance of mailbox integrity.

  • Converts all OLM mailbox items, such as emails, attachments, contacts, etc. into PST, MSG (Message), and EML file formats

  • Supports almost all Mac Outlook and Windows Outlook versions
  • Exports OLM mailboxes to Office 365, PDF, HTML, and RTF
*Free trial version shows preview of the converted emails without ‘To’, ‘CC’, & ‘BCC’ fields.
Also available for Mac

Stellar Converter for OLM

When to Use Stellar Converter for OLM?

Want to migrate from Mac Outlook to Windows Outlook?

Mac Outlook and Windows Outlook offer a similar user experience in terms of UI, features, and functionality. However, you can’t directly transfer the mailbox from one to another due to OS differences. The OLM to PST converter software from Stellar makes this transfer simple and easy. It offers direct and complete OLM to PST conversion with features, such as OLM preview, search filters, etc.

Need to transfer Mac Outlook data to Office 365?

Stellar Converter for OLM allows you to migrate Mac Outlook’s OLM data to Office 365 account in a few simple steps. Its migration method is direct and there is no risk of data loss. Further, you get to populate your O365 account with mailbox folders in the same structure as in OLM.

Need Mac Outlook emails in PDF or HTML format?

Sometimes, Outlook users have to collect mailbox emails and other items in PDF or HTML format for presentations, internal investigations, etc. Stellar Converter for OLM makes it easy to save selective mailbox items in PDF, HTML, and other formats with advanced search filters and file previews. The OLM to PST converter tool also saves considerable amount of time compared to exporting the emails manually.


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 OLM to PST converter software maintains the original folder hierarchy, mail settings, and data of your Mac Outlook mailbox during OLM to PST conversion.
Learn More

Finds and Lists all OLM Files icon

Finds and Lists all OLM Files

The OLM to PST converter tool 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 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 displays selected the OLM filename and its mail items in a tree structure. You can view the list of converted OLM emails 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

The OLM to PST converter utility can convert OLM to 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.

More Awesome Features

Live Software Updates icon

Live Software Updates

Stellar Converter for OLM gets timely updates to consistently deliver the 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 OLM to PST conversion process, thereby helping you to analyze the conversion at a later stage. Log report captures all the conversion process details alongwith 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 emails 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 exporting the converted OLM to PST, EML, MSG, HTML, RTF, and PDF. It also enables you to export the OLM file data to Office 365 directly. Try it now

Product Tour for Stellar Converter for OLM

Technical Specifications

About Product

Stellar Converter for OLM


Release Date

May, 2020


Can use only on a single system

Version Support

MS Outlook 2019, 2016, 2013, 2010, 2007 for Windows & 2019, 2016, 2011 for Mac


Standard & Technician



Language Supported


System Requirement

System <span>Requirement</span>


Pentium Class

Operating System

Windows 11, 10, 8.1, 8 & 7


2 GB minimum (4 GB recommended)

Hard Disk

250 MB of Free Space

Download Guides


Start Using Stellar Converter for OLM Today With Our Free Trial.

*Free trial version shows preview of the converted emails without ‘To’, ‘CC’, & ‘BCC’ fields.
Also available for Mac

                Start Using Stellar Converter for OLM Today With Our Free Trial.

Knowledge Base & Guides

Product Related Articles

If you are looking for a direct or an easy method to convert OLM files to Office 365, you may use Stellar Converter for OLM Technician software to perform the conversion. Steps to convert OLM files to Office 365 are: Learn more
Once you have converted OLM file into PST format you would have to import PST file into MS Outlook to access its data items. As this Knowledge Base guides you through the process of importing PST file in MS Outlook go through it to get acquainted with the Learn more
This Knowledge Base will acquaint you with the steps using which you can save converted mailbox in file formats, such as PST. EML, and MSG through Stellar Converter for OLM. Learn more

Learn More



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 in the OLM to PST converter software to search for the file automatically.

  • 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 for converting them to PST, Office 365, or any other required format by using Stellar Converter for OLM.


Yes, the OLM converter 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 OLM to PST converter tool are compatible with Windows 10, 8, 8.1, 7, and Vista. Also, both the OLM converter software editions support 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’re unable to find an OLM file on your hard drive, click the ‘Find’ button available on the home screen of the software.


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

Most importantly, the software’s demo version 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 to PST, Office 365, etc., you need to purchase the license key and activate the software.


No, the OLM to PST converter 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.