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Written By Rohit Singh
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Updated on September 4th, 2025
When switching from Mac to Windows OS, users need to convert OLM to PST to transfer their Outlook data. We need this conversion because Outlook for Mac saves the data in OLM format. And Outlook for Windows stores the Outlook data in PST format. This technical blog will walk you through different methods to carry out this conversion. Along with this, we will introduce a professional Cigati OLM to PST Converter that automates the process. At last, we will look at the frequently asked questions on this conversion process.
The main requirement of this conversion is the platform incompatibility. The following are a few reasons depending on the user’s differing needs:
Let us proceed with exploring several methods to do this conversion. There are basically two ways: manual and automated methods. We’ll begin with the manual method first, followed by the automated tool method.
In this method, we use the Gmail email client as an intermediary between Outlook for Mac and Outlook for Windows.
Follow the steps below to start the conversion process:
Step 1: Move OLM emails to Gmail Email Account
Step 2: Export OLM to PST
Drawbacks: The process will not sync contacts, calendars, and tasks. This method will be time-consuming for large uploads and downloads. Exporting large OLM files to Gmail may not fit the free storage space provided by Gmail.
If you’re looking for a simple way to access Outlook for Mac data on Windows, use the Cigati OLM Converter. It makes the entire conversion process quick and hassle-free. The tool efficiently converts OLM files to PST, PDF, MBOX, and many other formats. Additionally, users can directly migrate to popular email applications, such as Gmail, Yahoo, iCloud, etc. Smart features include bulk processing, exclusion of attachments, selective export, etc.
OLM to PST conversion is crucial for users who want to access Outlook for Mac data in Windows. The manual conversion process provides a basic workaround, but it is complex and limited. On the other hand, the automated Cigati OLM Converter makes the entire process, ensuring accuracy and complete data migration. This automated tool clearly outperforms the manual efforts.
You May Also Read: Convert OLM to MSG
Ans: OLM file is exclusive to Outlook for Mac, whereas PST file is native to Outlook for Windows. Both file formats are primarily used for backup, archiving, and migration to other platforms.
Ans: No. Outlook for Windows does not support the OLM files. You need to first convert your OLM file into PST format. Then, import this converted PST file into the Windows Outlook application.
About The Author:
Rohit Singh is an Email Backup, Recovery & Migration Consultant and is associated with Software Company from the last 3 years. He writes technical updates and their features related to MS Outlook, Exchange Server, Office 365, and many other Email Clients & Servers.
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