You can migrate Google Takeout emails into Office 365 by first extracting the MBOX files from the Google Takeout archive. Since Microsoft 365 does not directly support MBOX files, use the Aryson MBOX Converter Tool to add the extracted MBOX files, select the required emails, apply filters if needed, and choose Microsoft 365 as the destination. The tool then migrates the MBOX email data, including attachments, to the selected Microsoft 365 mailbox. This approach is useful for users who already have Gmail emails exported through Google Takeout and want to move them into Microsoft 365.