You can select any of the above options. If you want to open the file, click Open. As explained above, this is not an error message. It is a warning message which can ...

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 ...

Many users of the desktop version of Outlook are being confronted with an annoying problem: When you open Outlook, the mail program included in Microsoft 365, it repeatedly asks whether you want to ...

Those of you who use classic Outlook may have noticed the program acting more temperamental than usual. There's a reason for that. In a recent support article, Microsoft acknowledged that Outlook may ...

I sounds like Outlook Express is trying to check your email for you when you open it -- to do this it needs your email password. Either save your password or uncheck the "check for new mail at ...

Microsoft just announced a tiny feature for the Outlook mobile app on Android and iOS, but it fixes one of my biggest issues with sending emails on the go. You can now minimize Outlook email drafts on ...