If you open MS Outlook and see an error message, Outlook is using an old copy of your Outlook data file (.ost), then use ...

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 ...

Some Microsoft Outlook users have reported getting the Your Outlook data file cannot be configured error on their PC. This error occurs when trying to open Outlook ...

There are numerous reasons why you need to import an OST file into an Outlook account or profile. In this article, you will learn the ways with step-by-step instructions to import OST file into ...