How to Import OLM to Office 365 | 100% Verified Solutions

Written By Shivam Rathore
Updated on May 23rd, 2025

Summary: In this technical era, managing emails and establishing effective communication is the key to business productivity. If you have worked on Mac Outlook and are now required to switch to Windows, Office 365 is your new destination. If that’s the case, then you need to import OLM to Office 365 beforehand to avoid any disruptions in your work. Also, there may be many other needs for the same. Find out all about it along with the ideal ways and an expert OLM to PST Converter Tool for file import in this technical guide.

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Gain Insights to Import OLM File to Office 365

It is your choice to import OLM into Office 365, but have you ever wondered about its benefits? If not until now, then explore these reasons to learn about it:

Users must access the old data for reference or other tasks after changing the system environments.
MS Office 365 is well known for its security, be it two-factor authentication or spam filtration.
You can achieve many more productive and collaborative tools for global integration in the MS Office suite.
Office 365 simplifies the maintenance and support and is cost-friendly as compared to Apple.
The possibility of data loss and file corruption is reduced by storing data on the cloud.

Walkthrough to Import OLM to Office 365

Ideally, importing OLM to a Windows email client, especially Office 365 and Outlook 365, requires OLM to PST conversion. In this section, you will seek a professional method and a traditional freeway for the migration. Explore their detailed steps from the how-to parts below and achieve great outcomes.

Cost-Free Upload OLM to Office 365

You need to go through the steps mentioned below to perform the file import. But before that, ensure you have all permissions and credentials for both Mac Outlook and Windows Office 365. Here, we will also use Gmail as the mediator for data transfer. Let’s see how:

First, initiate a Gmail user session and provide global access through IMAP.
Then, set up the target Gmail within Outlook for Mac having OLM files.
Further, create a new label in Gmail and import OLM files to it within Mac Outlook.
Copy all the data and wait for Gmail to synchronize it completely.
Afterward, configure the same Gmail account in the Windows Outlook application.
Use it to select the OLM files and, via Import/Export, convert OLM to PST.
Once your files are converted, move PST, i.e., import OLM to Office 365 by the Network Upload method.

These are the free steps to migrate OLM to Office 365 indirectly. However, the steps have the following cons:

Only suitable for migration of OLM emails and not other Outlook for Mac items.
The process is lengthy and time-consuming, i.e., unsuitable for bulk OLM emails.
No data integrity is maintained, and there is a possibility of data loss.
You will have to install and configure multiple email applications with a good internet.

So, users tend to switch to a professional solution that is much more reliable and easier to execute.

Validated Process to Import OLM to Office 365

If you seek a more trusted and go-to solution, then EasyTechTools OLM to PST Converter Tool is the best choice. It can convert data of any size from any number of OLM files and folders at once with complete accuracy. Additionally, users do not require Outlook and other applications to run this software on Mac or Windows OS. Moreover, there are several enhanced options and features within the software, like preview, remove duplicates, date filter, etc. Besides that, it convert OLM to PDF and offers you many more formats and email clients.

Import OLM to Office 365: Guidelines

Carry out the OLM to Office 365 Migration Tool on a desired PC.
Then, incorporate the OLM files and folder into the tool’s interface.
Further, trigger Next and assess the displayed folders for selection.
Hit Next. After that, opt for iCloud as the designated email client and log in.
Determine your filter preferences and, at last, engage the Convert action to upload OLM to Office 365.

Conclusion

We have seen clearly in the blog above that importing OLM files manually is not a simple task. It requires several workarounds to provide the end result. Therefore, it is better to use professional software to import OLM to Office 365 in the minimal possible time without risks. Furthermore, if needed, you can first use its demo version to verify the utility and import a few files for free.

Frequently Asked Questions

Q. How to import an OLM file to Office 365 easily?

Ans- Migrate OLM to Office 365 through adherence to these quick instructions:
1. Use the OLM to PST File Converter Tool to import OLM mails.
2. Then, push Next and initiate a preview of email folders. Click Next.
3. Further, activate and authenticate the iCloud email client for saving data.
4. Finally, assign filter attributes needed and push Convert.

Q. Can I import OLM file data to Office 365 on Windows 11?

Ans- Import OLM File to Office 365 on Windows 11 or any other earlier version, say 10, 7, 2000, XP, or others. All you need is the above-suggested excellent automated tool.

About The Author:

Shivam Rathore

Meet Shivam, an experienced SEO executive and content strategist. He combines creativity with strategy to craft engaging content that connects with audiences and supports brand goals. With strong expertise in digital marketing and content planning, Shivam helps businesses thrive online.