How to Migrate Yahoo Mail to Office 365 / Microsoft 365 Account Manually?

To migrate Yahoo Mail to Office 365/Microsoft 365 account manually, you can follow these steps:

1. Enable IMAP Access in Yahoo Mail: Sign in to your Yahoo Mail account and enable IMAP access by going to Settings > More Settings > Mailboxes > select your Yahoo email address > click on “IMAP Access” > Enable.
2. Add Yahoo Mail Account to Outlook: Open Outlook and go to File > Account Settings > Account Settings > New > Select “Manual setup or additional server types” > Select “POP or IMAP” > Enter your Yahoo Mail credentials > Select “IMAP” as the account type > Enter the IMAP and SMTP settings for Yahoo Mail account.
3. Create a new mailbox in Office 365/Microsoft 365: Go to the Microsoft 365 Admin center, and create a new mailbox for the Yahoo Mail account you want to migrate.
4. Configure the new mailbox in Outlook: In Outlook, go to File > Account Settings > Account Settings > New > Select “Manual setup or additional server types” > Select “POP or IMAP” > Enter your Microsoft 365 credentials > Select “IMAP” as the account type > Enter the IMAP and SMTP settings for Microsoft 365 account.
5. Transfer Emails: Once both accounts are configured in Outlook, select the Yahoo Mail account from the left-hand side of the screen and drag and drop the emails and folders you want to migrate to the new Microsoft 365 mailbox.
6. Wait for synchronization: The time it takes to transfer emails from Yahoo Mail to Microsoft 365 depends on the size of the mailbox and the internet speed. Wait for the synchronization process to complete, and make sure all emails and folders are copied to the new Microsoft 365 mailbox.
7. Verify: Finally, log in to the Microsoft 365 account and verify that all emails and folders have been successfully migrated.

Note: Manually migrating emails from Yahoo Mail to Microsoft 365 can be time-consuming and requires technical knowledge. If you are not comfortable doing this on your own, you may want to consider using a third-party migration tool or consulting a professional for assistance.