How to Convert OLM to PST File Format- A DIY Method

Looking for approaches that could convert OLM to PST? If so, you’ll get to know all potential solutions for migrating OLM into PST here. So, keep reading this write-up until this is over.

Mac Outlook stores user mail data in OLM format, while Windows Outlook stores mail data in PST format. In the Windows edition of Outlook, OLM files can not be accessed. That’s why exporting OLM to PST is a must.

Why Export OLM to PST important?

When anyone moves from Mac to Windows, they must first shift from Mac Outlook to Outlook for Windows. Then there is a need to convert OLM to PST.
If after converting OLM to PST file you are unable to reach and open OLM file, then you can rapidly view the data in the OLM file.

Now, you are wondering about the methods of moving Outlook OLM to PST. If you are a Windows user then you might have large PST files for some reasons, then you can easily split PST File in Outlook 2016 and its older versions.

Basic Tricks & Strategies to Convert OLM to PST

It consists of 4 steps:

  • Setting up an IMAP account mail
  • Use of IMAP mail account to establish Outlook for Mac ‘
  • Transferring emails from Outlook mail to IMAP mail.
  • IMAP account synchronisation with Windows MS Outlook

Step 1: Setting up an IMAP Account Mail

  1. Make a new Gmail account initially.
  2. Visit the “Gears” icon >> “Settings”.
  3. Press the Forwarding and POP/IMAP option.
  4. Enable IMAP Access.
  5. Google can by default block third-party mail clients, such as e.g. Outlook. So, by visiting the “Less secure apps”, you can allow Third-Party Mail Clients:
  6. Go to My Account >> Sign-in & security >> Connected apps & sites >> “Allow less secure apps.
  7. Now, type the given details in the IMAP account settings:
    Server: your
    Encryption/Authentication: SSL
    Port: 993
    Username: Your Gmail account email address
    Password: Your Gmail account password

Step 2: Use of IMAP mail account to establish Outlook for Mac

  1. Start and open Outlook for Mac first.
  2. Now, hit the Menu >>Tools >> Accounts.
  3. Tap on Email. Then type an email address, password, and other details in the text fields asked. Press the Add Account.
  4. After completion, test the IMAP mail account.

Step 3: Transferring emails from Outlook Account to IMAP mail Account.

  1. On your Mac system, launch Outlook first.
  2. Opt for any mailbox item that you want to transfer and right-click on it. Press Move >> Copy to Folder.
  3. Enter the IMAP folder name and tap on Copy.
  4. Your chosen mailbox item will then be copied to IMAP mailbox then press the Send/Receive button to reform your Outlook for Mac IMAP folder.

Step 4: Sync the IMAP account with Windows MS Outlook

This is the last step in which the use of the same IMAP account is created in Gmail to synchronize Outlook on Windows PC.

  1. Configure the same Gmail IMAP account created on your Windows Outlook client.
  2. Then using drag and drop, transfer the emails from the IMAP account to Windows Outlook Inbox Folder.

This manual method could become a long procedure and may create an alteration in Outlook data files. So, you can go with another best method that doesn’t make any changes in the original data and quickly converts OLM to PST.
Choose OLM Converter utility that performs direct conversion of OLM files into PST file format. Also, it can recover damaged OLM files. This tool exports Mac Outlook mailbox items including email messages, calendars, contacts, journals, tasks, etc. into Outlook for Windows. It is compatible with all MS Outlook editions consisting of 2019, 2016, 2013, 2010, 2007 (both 32 and 64 Bit Versions).


This guide can help you to convert OLM file to PST completely. A number of manual methods are explained in it. If still, any problem occurs, then another best approach is given here. You can use that also for better results.

About: Nisha Yadav

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