Below are the steps for migrating from Gmail to Office 365
Step 1: Prepare Gmail for connecting to Outlook Before you connect your Gmail account and Outlook, you need to prepare your Gmail account: turn on 2-step verification for Gmail and then create an app password that Outlook/Microsoft 365 will use with your Gmail address to make the connection.
Step 2: Add your Gmail account to Outlook When you finish this step, you'll see your existing Gmail messages in Outlook. You can use Outlook to receive, read, and send new messages from your Gmail account. You can also continue using your Gmail account through the Gmail website.
Step 3: Copy your Gmail messages to your desktop Mac users: If you are using Outlook for Mac 2011, there are other export and import instructions.
When you're finished with this step, a copy of your Gmail messages will be stored in a file that Outlook creates on your desktop. The file is called an Outlook Data File (.pst). If you receive more emails to your Gmail account after you take this snapshot, those additional messages won't be copied to your .pst file, but you can always repeat these steps to copy them.
Step 4: Copy your Gmail to your Microsoft 365 mailbox When you're finished with this step, the email in the .pst file will be available in your Microsoft 365 mailbox.
Because your old Gmail is stored in your Microsoft 365 mailbox, you can use Outlook on the web to access those email messages from any device.
(Optional) Step 5: Remove your Gmail account from Outlook When you finish this step, your Gmail account will still exist, but you won't see it in Outlook.
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