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A regular email user is not much aware of the protocol associated with the respective email address. But, when you plan to move from your simple platform to feature-rich Office 365, you require the type of protocol because it helps connect with your email server for migration. If you are Gmail, Yahoo, AOL, etc., the user then means that your protocol is IMAP. If you want to migrate to the shared mailbox of Office 365 directly, you need to first convert the regular mailbox to shared and then migrate from IMAP to Office 365. The article covers all the required information for you.

What are the IMAP Settings for a Shared Mailbox in Office 365?

If you want to connect shared mailbox, then you should know the correct IMAP settings parameters for the account. IMAP Settings

  • Server Type: IMAP – SSL Encrypted
  • Port Number: 993
  • Email Address:
  • IMAP Server:
  • Username:\shared-mailbox-alias
  • Password: password of email address
How to Convert a Regular Mailbox to Shared Mailbox in Office 365?

To convert a normal Office 365 mailbox to a shared Office 365 mailbox, then you need to follow the below-mentioned steps:

  1. Start with logging in to the Office 365 account.
  2. Go to Office 365 admin center and select Active Users option there.
  3. Now, you need to select that particular mailbox that you are going to convert to the shared mailbox. After selecting the mailbox, click on the Mail Settings.
  4. Now locate More Settings in the new window and click on the Convert to Shared Mailbox for the conversion.
  5. In the next step, click on the Convert button.
  6. Once the previous step is over, your mailbox is now successfully converted to a shared mailbox. Click on OK to finish the process.
Start Migration with Kernel IMAP to Office 365

Now, once you have converted the regular mailbox to the shared mailbox, you can start with the migration. There are manual methods available for the IMAP to Office 365 shared mailbox migration, but the complexity and technicality with manual methods are way too high to risk your data for it.

Here, without wasting any more time and risking our data, we are going for the automated solution with a third-party tool that is Kernel IMAP to Office 365. A migration tool that is not only a quick but reliable solution to perform the action. The tool has a very user-friendly interface which lets no trouble come to your migrating experience; let’s check out how the tool works:

  1. Start the tool and click on the Add button, under the Add Source title to add the IMAP account.Add IMAP account
  2. At this page, you will see that on the right there is a chart that has all the details of the IMAP servers and their Port numbers. Look for your Email client and enter the IMAP account details and credentials of that particular account. Finally, when you are done with all the details, click on the Add button to add the particular.Click on Ad button
  3. Now, click on the Add button under the Add Destination section.Click on ad button in Add Destination section
  4. Again, add the Office 365 account details with credentials, choose List all Mailboxes using…. option and select the shared mailbox from the retrieved list of Office 365 mailboxes. Then, click on the Add button.Add Office 365 account details
  5. In this step, under the Destination mailbox section, you will see a little drop-box icon, click there and select the destination shared mailbox. Once you have selected the destination mailbox, click on Set Filter and Migrate.Select the destination mailbox
  6. A new window for Migration Type Selection will open, there you need to select the mailbox folder where you want the data to migrate. You will get three options Archive mailbox, Public Folder, and Mailbox, select Mailbox and click on Migrate.Select mailbox folder where you want to migrate
  7. Now, it is the time to apply filters for the migration; select date, time, and the folders you want to migrate and click on I am OK, Start Migration to proceed.Apply filter and click on I am OK, Start Migration
  8. Once the migration has started, it will take place one by one, folder by folder, wait until the process is done. When it is done, click on OK to finish.Finish the migration

After the migration is successful from IMAP to Office 365 shared mailbox, you can find the migrated data in the shared Office 365 mailbox.

Final Words:

In this blog, we have discussed how we can convert a regular mailbox to a shared mailbox in Office 365. We have also discussed how you can migrate IMAP to Office 365 shared mailbox with Kernel IMAP to Office 365. You can also migrate Calendars, other Mailboxes and Emails to Office 365 with this tool without any difficulty. While migrating with this tool, I found that there is no hassle and one can easily migrate IMAP mailbox data to Office 365 in few easy steps.