How to Move Mailbox Database from Mac to Windows Outlook?

This informative tutorial will help users move mailbox database from Mac to Windows Outlook PST. We understand that it’s not a simple process, but when you find a perfect and trustworthy method this process becomes simple. Now, we’ve thoroughly discussed the procedure to access an OLM file on Outlook for Windows simply without facing any type of problem.

Mac Outlook converts all its mailbox data including contacts, tasks, notes, emails, journals, and calendars into an OLM file format. Unfortunately, Outlook Windows doesn’t support OLM files. That is the main reason why users look to move mailbox database from Mac to Windows Outlook.

Many solutions allow you to access or open Mac OLM file on Outlook Windows. One such approach is by uploading OLM data to an IMAP folder of the MS Exchange Server and then converting the Exchange Server database into PST file format.

Windows Outlook enables users to access the data which is located or available in Microsoft Exchange Server. Outlook for Windows can connect to the Exchange Server and by either utilizing Online Mode, Cached Exchange Mode, and convert OLM mailbox data into Exchange. One can also utilize the Export-mailbox shell cmdlet from Server PowerShell to import Exchange data into Outlook.

These are a few complicated techniques, too, and not all users will find them to be trustworthy. We’ve included simple instructions below that anybody can use to fix the issue “how to move mailbox database from Mac to Windows Outlook”.

Why Does Windows Outlook Make It Difficult to Open OLM Files?

Unfortunately, the process of importing OLM to Outlook for Windows can be extremely annoying for average users for a few reasons:

  • OLM is not a file extension that Outlook for Windows supports.
  • There are several techniques that are difficult for a novice user to put into practice.
  • Dependency on outside programs that aren’t always trustworthy and secure.

When Is It Necessary to Move Mailbox Database from Mac to Windows Outlook?

  • Transferring to a Windows machine from a Mac.
  • Combining all mail accounts into a single, easy-to-use platform.
  • Businesses updating or changing their IT setup.
  • Making a security-related backup of OLM data in a different file format.
  • Want to repair OLM files due to corruption problems that are causing file damage.

How to Create OLM File in Outlook for Windows Manually?

Here, we’ll make use of a third-party email client i.e. Gmail that works with Outlook on both Windows and Mac computers. We’ll connect it to Outlook for Mac first, and then we’ll import the emails. Next, we’ll set up the same Gmail account on Outlook for Windows. The steps to import OLM to Outlook Windows are listed below:

Round 1- Connect Gmail to Outlook Mac

  • Open Outlook for Mac to open OLM file on Outlook for Windows
  • Select Tools>Accounts option
  • Press plus (+) icon
  • Add the Login info of your Google Mail (Gmail) account
  • Enter the POP or IMAP information here
  • Click Finish tab, after all settings

Now, right-click on the folders you wish to import OLM into Outlook Windows PST, choose linked Gmail account, and hit the Copy tab. Next, proceed to round 2.

Round 2- In Windows Outlook, Configure the Same Account

  • Launch Outlook on Windows.
  • Select File >> Add Account.
  • Enter your Gmail account login information.
  • Enter Gmail’s IMAP/POP credentials.
  • After making all the settings, click the Finish button.

By ticking on the uploaded OLM email messages and dragging the import OLM data into Outlook Windows icon, you may now relocate the emails.

Cons of Manual Techniques             

  • This is a long and time-consuming procedure that requires multiple steps.
  • High chance of data loss when transferring data.
  • When linking accounts, users will see numerous problems.
  • Outlook for Mac and Windows need to be installed on the same computer and linked to it.

How to Move Mailbox Database from Mac to Windows Outlook? – Using an Expert Solution

To simply migrate emails, contacts, calendars, tasks, journals, attachments, and notes from Mac Outlook to Windows Outlook, use CubexSoft OLM to PST Converter Tool that supports all Mac & Windows Outlook editions. It is capable of bulk moving mailbox data from OLM into PST format without MS Outlook installation. With this app, a user can also export OLM files into other saving options such as PDF, EML, MSG, MBOX, ICS, RTF, HTML, vCard, CSV, MHT, Thunderbird, Zimbra, Yahoo, WLM, Lotus Notes, Gmail, Office 365, Hosted Exchange Server, IMAP, Amazon Workmail,, and many more. This OLM to PST Migration Tool comes with advanced options and features that makes the program more powerful as well as simple to use.


Many users are requesting a solution to convert OLM data into PST format. There are several methods available to complete the process. Free and manual approaches are a great technique to decrease the working cost of the business but it needs patience as well as time. For instant and accurate results users can go with an automated solution like OLM Converter to open or read OLM files on Outlook for Windows all versions.

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