If you want to backup your AOL mails into different file formats or email services, you need to follow the below given steps in proper sequence. Install and Run the AOL Mail Backup Tool. Enter the AOL Mail Credentials in the software interface and press the Sign in button. Mark the required Folders from the displayed tree structure and tap on the Next button. Now choose the File Format or Email Client from the given drop-down menu. After that, tick the Optional Features as per your choice. Click on the Path to Save button to save the resultant file at a specific location. In the end, hit the Convert button to start the migration process.