A common challenge that Mac Outlook users face when migrating to Outlook 2013 on Windows is that Mac Outlook stores mailbox data in OLM format while Outlook 2013 supports PST files. Therefore, users need to Mailvare OLM to PST Conversion Tool before they can import their mailbox data into Outlook 2013.

When transferring emails, contacts, calendars, notes, or attachments, choosing the right conversion method is crucial to prevent data loss. In this article, we will discuss the two best methods for converting OLM files to PST format for Outlook 2013.
What are OLM and PST Files?
The default data file format for Outlook for Mac is OLM file. Includes information about mailboxes like e-mails, contacts, calendars, tasks, journals and attachments.
On the other hand, PST (Personal Storage Table) is the file format of Microsoft Outlook for Windows up to Outlook 2013. You can't open OLM files directly in Outlook 2013, so a conversion is necessary.
Why You Should Convert OLM Files to PST for Outlook 2013
There are a variety of reasons why users need to convert OLM files:
Migrating Mac to Windows Outlook
Get Outlook 2013 to Open Outlook for Mac Data
How to create a mailbox backup for Windows
Saving emails, contacts and calendars
Centralize Outlook data management
Many users in Outlook communities say that manual migration methods are slow and complicated for large mailbox files.
Method 1: Manual IMAP Method (Gratis)
The manual IMAP method is a popular choice for those seeking a free solution.
Step 1: Set Up an IMAP Account in Outlook for Mac

Launch Outlook for Mac
Add a Gmail or other email account that supports IMAP.
Allow the synchronizing process to complete.
Step 2: OLM Data Importation

Open the OLM file using Outlook for Mac.
Move mailbox folders to IMAP account folders.
Enable full synchronization.
Step 3: Set up Same Account in Outlook 2013
Open Outlook 2013 for Windows.
Add the same IMAP account again.
Let all the mailbox data sync.
Step 4: Export Mailbox to a PST
Click File > Open & Export > Import/Export
Select Export to a File.
select Outlook Data File (. pst)
Save the PST file.
Benefits
Method: free
No software needed
Perfect for small mailboxes
Limitations”
Long process
Requires a stable internet connection
The folder structure may not always be preserved
Not recommended for large OLM files.
Community feedback also suggests that manual approaches are viable only for smaller mailboxes and can become unmanageable at higher data volumes.
Method 2: Free OLM to PST Converter
If you are looking for a quick and easy solution then has a dedicated utility for converting OLM file to PST format.
How to use the tool
Download & Install the converter
Start the program.
Choose the OLM file.
Mailbox Preview Data
Set the output format to PST.
Begin the conversion process.
Import the generated PST file into Outlook 2013
Advantages of Using an OLM File to PST Converter
Process of direct conversion
Maintains the original folder structure
Email format retained
Supports attachments
Lowers migration time
Easy-to-use interface
Professional OLM conversion tools are usually designed to preserve your emails, contacts, calendars, attachments, and folder structures when migrating to a new platform.
Import PST File into Outlook 2013 How to
After conversion:
Launch Outlook 2013.
Click on File.
Click Open & Export.
Select Open Outlook Data File.
Choose to browse the PST file.
Access all mailbox data imported.
This means that you can work seamlessly with your existing Outlook for Mac data in Outlook 2013.
Comparison of the two methods
Feature Manual IMAP Method OLM to PST Converter
Cost Free Free/Paid Options
Speed Slow Fast
Data Accuracy Average High
Large File Support Not as good Better
Required Technical SkillsHigh Low Maintain Folder StructureNever Yes.
Tips for a Successful OLM to PST Conversion
"Before converting, back up your OLM file."
Check mailbox data after the conversion.
Make sure you have enough disk space.
Smooth PST imports with Outlook 2013 updates.
Do not interrupt the conversion process.
Conclusion
When you need to Convert OLM to PST for Outlook 2013, you have two effective options. The manual IMAP method is a good option for small migrations and users who prefer a free option . But it takes time and technical effort. A tool like OLM File to PST Converter is a simple solution for better data preservation and ease of use, resulting in faster and more reliable results.
Select the right method and migrate all your Outlook for Mac mailbox data successfully and access it in Outlook 2013 without losing any important data.
FAQs
1. Is there any way to Convert OLM to PST Free?
Yes. IMAP syncing is free but can be slow.
2. Will attachments be preserved during OLM to PST conversion?
Yes. There is. Most professional conversion tools will preserve emails and attachments during conversion process.
3. Is it possible to convert large OLM files?
Yes, but conversion software generally deals with large OLM files more efficiently than manual methods.
4. Best Way for Outlook 2013 Users?
For small mailboxes, manual might be sufficient. OLM File to PST Converter is usually the better choice when it comes to large or important mailbox data.