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 ...

A PCB file is a data file containing a circuit board design, and stands for "Printed Circuit Board." You don't need the program that was used to create the file; several Windows applications with PCB ...

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 ...