Amazon WorkMail is officially being shut down and will reach its end in March 2027. That’s why many are shifting to more modern email services like Microsoft 365 or Outlook. Do you know how to migrate AWS WorkMail to Office 365? Here, I am going to explain all the possible ways to transfer your WorkMail emails to Microsoft 365 or Outlook.
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Why Transfer Amazon WorkMail Data to Microsoft 365?
- Teams that work on WorkMail for their email need a program for document collaboration. Microsoft 365 contains this feature to share your documents and more.
- By transferring your WorkMail to the Outlook client, you can easily manage your important emails, and you don’t need to change the program for working on the documents.
- Microsoft 365 offers you industry-leading security and compliance features that keep your account and emails secure.
These are the common reasons why people are switching from AWS to Microsoft 365. Now, let’s see the methods to move the mailbox.
Read Also: Amazon WorkMail End of Life?
Also Read: How to Transfer Namecheap Private Email to Microsoft 365?
Preparations for Moving from WorkMail to Office 365
Before you start, if you use manual methods to move your AWS emails to Microsoft 365 or Outlook, you must do pre-migration preparation.
- First of all, verify your Microsoft license and target domain.
- Create a destination user mailbox similar to your source WorkMail mailbox. Make sure they are valid and active.
- You must have admin roles in AWS and Microsoft 365 to move your mailbox.
- Clean your existing mailboxes, remove any duplication and unnecessary emails to reduce the data volume and speed up the process.
- Create a user mapping file in CSV format. In this, you must properly add users’ source and destination email addresses.
- Backup Amazon WorkMail mailbox before you start the migration, and also create a WorkMail app password.
Now, you are ready to transfer emails from WorkMail to Microsoft 365/Outlook.
How to Migrate AWS WorkMail to Office 365 Manually?
- Log in to your Microsoft 365 Admin Center using a Global Administrator account.
- Click Admin Center and then the Exchange option.
- Go to the Migration option in Exchange Admin Center.
- Click Add migration batch, provide a name, and select Migration to Exchange Online with IMAP migration as the path type.
- Create a migration endpoint by providing AWS WorkMail IMAP server details and basic authentication.
- Upload the prepared CSV mapping file and choose the users you want to sync.
- Save your progress and start the migration batch.
- Track your migration in Exchange Admin Center, and once it is complete, update your domain’s MX records.
With these steps, your WorkMail emails transfer to Microsoft 365. Now, if you want to move the mailbox to MS Outlook, follow the next method.
Transfer WorkMail Emails to MS Outlook? Manual Approach
In your MS Outlook email client, you can add your AWS account and move to the Outlook main inbox via the drag-and-drop option.
- Run your destination Outlook client. Click the File option on the top bar.
- Select the Add Account option. Enter the complete Amazon WorkMail email address.
- Click Advanced options, then check the “Let me set up my account manually” box. Press the Connect button.
- Select IMAP as your type. Provide the IMAP server details.
- Enter your WorkMail password and complete the setup.
Limitations of Manual Methods
The manual options are free but also cause you many issues.
- You can only add one WorkMail account in Outlook at a time. Also, if you are moving multiple user accounts in Office 365, the process will be time-consuming.
- There is no option to perform selective migration.
- There is a chance that the configuration and migration process is not properly completed, and you can lose your emails.
Instead of manually transferring your mailbox, there is a direct professional method that you can use.
Directly Migrate AWS WorkMail to Office 365 Professionally
IT admin experts and other professionals prefer to use technical software like SysTools Amazon WorkMail Migration Tool. A tool that is specially designed to move your WorkMail mailbox to any IMAP-enabled email service. This comes with a free demo version that you can download for Windows and macOS. With this, you can easily perform bulk migration and apply a date filter to move specific emails. Below are the steps to use the software.
Instructions to Use the Software
- Properly download and install the software on your desktop.

- Click IMAP as both source and destination, then apply a date filter if you want to perform selective migration.

- Choose WorkMail from the list of source IMAP servers. Provide the WorkMail Server URL and port. Click the Validate button.

- Select Office 365 or Outlook as the destination and click the Validate button.

- Click Download template and enter source and destination email IDs in the template.

- Manually import this template and click Start migration.

Conclusion
Due to the shutdown, many are moving their old WorkMail emails to Office 365 or Outlook. Therefore, I have provided all the possible manual and professional ways to migrate your mailbox. But before that, make sure you first prepare yourself by following the pre-migration checklist. Then, with the manual methods, move your mailbox. However, using them may cause you problems. To avoid that, use the professional software that I have mentioned.
Also Read: How to Migrate Dovecot to Office 365 / Microsoft 365 – Verified Solution