How to Transfer Mailbox Data from Outlook for Mac (OLM) to Windows Outlook?

Mailbox

Outlook for Mac users often get stuck when they try to migrate data from their Outlook for Mac mailbox file (OLM) to another Outlook for Windows account. This is because Windows Outlook does not support OLM file format. Instead, it supports PST file format, that is compatible with both Mac and Windows systems.

The only possible way for you to safely transfer OLM file data into Windows Outlook is to convert it into Outlook for Windows compatible PST file format using a third-party OLM to PST compatible.

Read more to see how an OLM to PST file converter can help you transfer OLM file data to Windows Outlook.

Why do Users Need to Transfer OLM File to Windows Outlook

If you try to import the OLM file into Windows Outlook, it will show the following error message:

The file <path>.olm is not an Outlook data file (.pst).

This arises due to incompatibility between the platform and the file format. Therefore, to avoid this issue, users look for ways to transfer OLM file data to PST files. However, there are several other reasons behind this:

  • Users have shifted from MacOS to Windows OS
  • To access old OLM file data on a Windows PC
  • To transfer OLM file data to a new Outlook profile setup in Windows Outlook
  • To share OLM file data with a non-Mac/Outlook for Mac user
  • To create a universally accessible data backup

Use an OLM to PST Converter to Transfer Mailbox Data from Outlook for Mac (OLM) File to Windows Outlook

The best way to safely and accurately transfer OLM file data, such as emails, contacts, tasks, calendars, etc., is to use a third party OLM to PST converter such as Stellar Converter for OLM. This advanced OLM to PST converter helps you transfer Outlook for Mac mailbox data to Windows Outlook without any hassle.

This tool has advanced mailbox conversion algorithms ensures 100% data accuracy to prevent data inconsistencies. The tool also retains the original mailbox folder hierarchy and structure during the conversion process, to prevent data inconsistencies.

This tool also brings an advanced preview feature which lets you check the mailbox data. Using this, you can check emails, contacts, calendars, etc. You can also use this software to convert complete OLM file data or selective items, such as emails, contacts, etc., into PST or other formats, such as PDF, HTML, etc.

To use this software, make sure that the OLM files are on your Windows PC. If not, transfer them from a Mac to your Windows PC and then proceed with the software.

Once you have the OLM file/s ready on your Windows PC, follow the steps below to convert it to PST:

  • Download and install Stellar Converter for OLM on your Windows PC.
  • Launch it.
  • You will see the Select OLM Mailbox window. Click on Browse to select the OLM file.
  • Once you have selected the OLM file, click on Convert. The software will start scanning the selected OLM file.
  • Once the scan is complete, it will show all the items in a tree view. Select any mailbox item to Preview it.
  • After previewing the mailbox items, select the mailbox items you want to save as PST and click on the Save Converted Mailbox option.
  • Select the Save as PST file option, choose the destination folder, and click Save.

Once you have successfully converted the OLM file into a PST file, launch Outlook for Windows and use the Outlook Import/Export wizard to import the PST file containing Outlook for Mac data into Windows Outlook. In this way, you can easily transfer Outlook for Mac data into Windows Outlook.

Conclusion

Outlook for Mac exports its data in an OLM file that is not compatible with Outlook for Windows. Therefore, users find it difficult to access its data on a Windows PC.  If you want to transfer OLM file data to Windows Outlook, you can do so by synchronizing the Outlook for Mac mailbox data with Windows Outlook via Cached Exchange or Online mode.

However, this may result in incomplete data transfer. Hence, to transfer your OLM file data to Windows based Outlook client, you can simply convert the OLM files to PST files using a powerful OLM to PST converter. You can also use this software to save OLM file data in other file formats such as PDF, HTML, and more.

Also Read: InstallTurboTax.net with License Code: A Comprehensive User Guide for 2025

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