In this blog, we will go through each step to Migrate OLM to Office 365. Users frequently ask about this topic while trying to connect their MS Outlook to Office 365. If you are also looking for a solution to this problem, you have landed at the right place.
OLM files are exclusive file formats used by Microsoft Outlook for Mac. It contains the email messages and other items of an Outlook installation. This data type is stored by default in Microsoft Outlook using the .olm extension. It stores mailbox data such as emails, contacts, calendars, notes, tasks, journals, etc. However, Office 365 is a popular email client that lets you access your Outlook email, calendar, contacts, and files across Windows, Mac, iOS, and Android devices. In addition, it offers multiple layers of security for your data.
Why Do Users Migrate OLM to Office 365?
Here are some basic reasons that cause the requirement to import OLM file to office 365
- It is challenging to access the OLM file data without Outlook for Mac. Due to this, many users want to import the OLM file to Office 365, so they can easily access the data on both operating systems.
- Office 365 is a cloud-based email management platform. It has become one of the most popular working platforms for Mac and Windows professionals nowadays.
- Furthermore, Office 365 offers its users numerous salient and advanced features.
- Office 365 makes it easy to manage Exchange Server distribution lists.
These are some main causes that are why users want to upload OLM to Office 365. Now, let’s move ahead toward the methods to migrate OLM to Office 365.
Solution 1: Upload OLM to Office 365 for Mac OS
Now, you have to configure Microsoft 365 Admin account with Outlook for Mac. Then, follow the instructions provided to migrate Outlook for Mac to Office 365 admin center.
- Start Outlook on your Mac OS.
- Press on the File Tab and choose the import.
- Then, from the Import Wizard, select the Outlook for Mac Archive File (.olm).
- Click on the Continue button for further proceeding.
- From your system, select the required file and click on “Import”.
- After successfully importing, Right-click on the imported OLM file.
- Select the Copy/Move Folder option.
- You must now assign the destination folder to your Office 365 mailbox account.
- At last, click on the Copy/Move button to import the OLM file to Office 365.
Solution 2: Migrate OLM to Office 365 Using Gmail
Users need to configure the Gmail or other IMAP-enabled email clients to the Outlook for Mac. Here are the steps you need to perform after configuring your Gmail account with Outlook for Mac:
- Install Outlook for Mac to import OLM files.
- You’ll need to click on the File menu and then select Import.
- Choose the Outlook for Mac Archive File (.olm) from the Import wizard.
- Continue the process to import the OLM files in Outlook for Mac.
- Right-click on the folder after selecting the item.
- You can assign the destination folder to your Gmail account by choosing the Copy/Move option.
- To import OLM files into an IMAP-compatible email client, click the Copy/Move button.
Create Outlook for Windows with the Same IMAP Account
By following the above procedure, you can easily migrate OLM to Gmail, which supports IMAP. Next, configure the account with Outlook for Windows. And for that, users are required to follow the steps provided to add their Gmail account in OLM.
- Open the Control Panel and choose the Mail option.
- After then, press on the Email Account and choose the New option.
- Now, you are required to Configure the Server Settings Manually then press the Next button.
- Choose the IMAP/POP Setting and click the Next button for further proceedings.
- In this wizard, you need to enter the IMAP Account Credentials and define the incoming and outgoing server specifications.
- Then, click on the More Settings option and enter 465 as the SMTP server port number. And also, select the SSL connection.
- In the advanced tab, select the SSL and specify the IMAP server as 993.
- At last, press the Next button and then click Finish to end the process.
Migrate OLM to Office 365 by Exporting the OLM file into PST
Now you have to perform the OLM to PST Conversion to import OLM into Office 365.
- Go to the File Menu and choose the Open & Import option.

- Now, choose the Import/Export to export OLM files to PST.

- Now, choose the Export to a file option and click on the Next button.

- Then, select the Outlook Data File (.pst) and click Next.

- Select the folder in which your OLM data is stored here. Include the subfolder.

- To export OLM to PST, click Next and choose the Destination Location.
Migrate Outlook for Mac to Office 365
Now, you have to upload the PST file into Office 365 admin center. There are two ways to Upload OLM to Office 365.
- By using the Azure AzCopy.
- Use Drive Shipping Method to Migrate OLM to Office 365
You can follow these manual steps for importing the OLM file to Office 365. But as we all know, the manual approach has some limitations. It is a time-consuming process and quite tricky for non-technical users.
Professional Solution to Import OLM File to Office 365
Use the Sysinfo OLM Converter Tool to migrate OLM to Office 365. It is a risk-free utility and migrates the OLM files into various email clients such as Office 365, Hotmail, IMAP, Zoho Mail, Yandex Mail, Thunderbird, Live Exchange, AOL, Opera Mail, iCloud, HostGator Email, etc., Moreover, it allows the users to convert the OLM files into PST, PDF, EML, CSV, and other file formats.
Steps to Migrate OLM to Office 365
- Download and Launch the OLM Converter on your system.
- Choose the files/ folder from your system and click Next.
- After that, the software shows the preview of the mail and their attachments files. Click the Next button to continue the process.
- Now, select the Office 365 email client from the drop-down menu.
- Enter the email address and third-party app password and press the Sign In button.
- Choose the inbuilt feature of the tool as per your requirement.
- Finally, click on the Convert button to start the conversion process.
Conclusion
In this blog, we have provided all the possible solutions to migrate OLM to Office 365. Moreover, it also provides various reasons why users want to import OLM to Office 365. You can either use the manual approach or the Professional solution OLM Converter tool to import the OLM files into PST format easily.