OST (Offline Storage Table) files are Microsoft Outlook data files that store an offline copy of your mailbox data, such as emails, contacts, messages, notes, etc. While you can access and view OST ...

Files v4.0 ships with a plethora of new features, including a refreshed logo design with richer colors to complement ...

The Omnibar is a major design update in Files v4.0, replacing the traditional Address Bar with a brand new control that ...

How to Use Settings to Open Microsoft 365 Files in Desktop Apps Your email has been sent Learn how to use a Microsoft 365 setting that lets you determine whether to work in an online or desktop ...