Content When using this solution to recreate or rebuild an Outlook profile for an Office 365 or Exchange account, please make sure that Outlook and its related programs are closed. If repairing the Outlook profile didn’t work, you can fix the problem by creating a new Outlook profile. If you can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, and s...