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Summary: To export OLM to Office 365 manually, enable IMAP in Gmail settings, configure a Gmail account in Mac Outlook, sync labels, and transfer OLM data. However, this method has drawbacks. An automated tool like Kernel OLM to PST Converter offers a more efficient and complete migration process, supporting various data elements and platforms. Follow simple steps to select and export OLM files to Office 365, with options for customization and seamless transfer. This automated tool is recommended for a hassle-free transition to Office 365.

Numerous businesses seek to harness the advantages of Microsoft Office 365 due to its streamlined email client capabilities in the cloud. This platform enhances productivity and facilitates instantaneous email correspondence. Transitioning from Outlook for Mac can pose challenges, as direct methods are lacking. However, utilizing the IMAP protocol enables the migration of OLM emails to Office 365. You’ve arrived at the perfect resource where we’ll walk you through the manual steps for exporting OLM to Office 365.

Export OLM to Office 365 manually

Follow the steps below to understand the process:

  1. Open your Gmail and go to account settings. In the “Forwarding and POP/IMAP” tab, enable “IMAP” and click “Save changes.”Forwarding and POP/IMAP
  2. Now, open your Mac Outlook and go to the Tools tab, and select Accounts.
  3. A new window will appear on the screen; click the “+” button in the lower-left corner of the window to configure a Gmail account with Mac Outlook.
  4. Enter the information for your IMAP account, such as username, password, incoming server, outgoing server, etc., and click “Add Account.”
    Note 1: For Gmail, the incoming server is “,” and the outgoing server is “

    Note 2: Don’t forget to check “Use SSL to connect” for each server.

    The above steps will add the IMAP account to your Mac Outlook. Now, you need to synchronize the Gmail label to Mac Outlook.

  5. Login to your Gmail account and click the gear button; in the drop-down list, click  Settings and select Label.
  6. Create a new label by pressing Create new label button.
  7. Once the new label is created, open the Mac Outlook account and update the IMAP mailbox by clicking the Send/Receive button.
  8. After updating, start synchronizing the OLM file with the IMAP email account. Transfer all the data from the OLM file to the IMAP email account.

Once the data is transferred to the IMAP account, configure your MS Outlook (on Windows machine) with this IMAP account and export data to PST files. Later you can import Outlook PST file to Office 365. However, the manual method does open doors to a few challenges.

Drawbacks of the Manual Method
  • The manual approach is unreliable, consuming significant time and resources.
  • When attempting to transfer OLM data to IMAP, there’s a risk of losing essential data due to factors like Internet interruptions or sudden system shutdowns.
  • Exporting OLM to IMAP only migrates emails and messages, leaving out the entirety of OLM data, making manual export to Office 365 impossible.
  • This method is best suited for users with a deep understanding of the platforms and their operations, potentially posing challenges for beginners.

So, the best way to export OLM to Office 365 is to use an automated tool that provides complete migration of OLM files to Office 365.

Export OLM emails to Office 365 directly

If you seek a hassle-free method for exporting OLM files to Office 365, download Kernel OLM to PST converter software. This efficient tool facilitates swift export of OLM files to Office 365, boasting a range of impressive features that streamline the migration process. These features encompass:

  • Transfer various data elements such as emails, contacts, hyperlinks, calendars, and email attachments.
  • Export OLM files to Microsoft Exchange, Office 365, GroupWise, and IMAP accounts.
  • Migrate emails to popular email services like Gmail, Google Apps, Yahoo, AOL, Hotmail/Live Mail/Outlook, and iCloud.
  • Recover data from both regular and damaged OLM files.
  • Support for all Windows versions, as well as compatibility with Microsoft Outlook and Mac Outlook across all versions.

The operation of the tool is straightforward. Let’s now delve into its operational steps:

  1. Start the tool on your computer, and you’ll see a welcoming window displayed on your screen. Choose the OLM file, then click the “Next button.”Select the OLM file and click Next
    Note 1: If you’re unsure about the OLM file’s location, simply press the “Search” button. This action will promptly list all OLM files on your computer. From there, choose the specific OLM file you want and click on “Next.””
  2. The scanning procedure may require some time to finish. After it has concluded, you will be able to view all the folders contained within the OLM file using the tool. Feel free to choose any folder and simply click on it to preview its emails and items.Select any folder and click to preview its emails
  3. To export these emails/items to Office 365, simply select the “Save” button located in the upper left corner of the tool. Next, choose “Office 365” from the opened window, and then click to proceed. “Next.export emails and items to Office 365
  4. In the subsequent stage, you have the option to configure filters, including Date and Item Type, among others. Once you’ve customized your filters, simply click to proceed. “Next.”set filters such as Date, Item Type
  5. In the following phase, you will be prompted to provide the login information for your Office 365 account. Please complete the necessary fields and then proceed by clicking “Finish.”enter the credentials of the Office 365 account
    Note: If you wish to store emails in a fresh folder, simply mark the checkbox labeled “Save data to the following folder,” and provide a name for the folder.
  6. The procedure will swiftly finish in just a matter of seconds. Once it’s accomplished, a pop-up window will promptly materialize on your screen, showcasing the message “Data has been successfully saved.” Simply click on the “OK” button to finalize the OLM to Office 365 conversion process.
    click OK to complete OLM to Office 365 conversion process
    Your OLM emails have been smoothly transferred to your Office 365 account using the same tool. Additionally, you can utilize this tool to migrate OLM emails to various formats such as MSG, EML, TXT, HTML, PDF, and more.


We have explored the essential procedures for manually exporting OLM data to Office 365. However, when you contrast the manual approach with automated alternatives, you’ll notice several limitations as previously outlined. Therefore, if you are considering transitioning to Office 365, we recommend utilizing the Kernel OLM to PST Converter tool. This tool effectively eliminates the constraints associated with the manual process and facilitates the seamless migration of entire mailboxes. Once the migration is complete, you can promptly access your emails within Office 365.

Q- Can I communicate even if I have disabled IMAP?

A- Yes, you will continue to get emails, but if you want to connect your account with Office 365, then you should enable it as mentioned in the article.

Q- I have used all the steps and clicked send/receive button multiple times, but new emails are not receiving. What should I do?

A- Perhaps, the IMAP settings is not enabled completely. You should wait a little more or use the software to complete the process.

Kernel for OLM to PST