The problem happens for users who encrypt the email using the settings under the email File dialog (File > Encrypt), ...

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

Microsoft has confirmed a known issue that prevents recipients from opening encrypted emails in classic Outlook.

New Outlook fails to open Excel attachments with non-ASCII characters in filenames, and shows an error. Microsoft recommends using Outlook on the web or downloading ...

Archiving (automatic or manual) in Microsoft Outlook helps you to enhance applications’ performance and optimize storage by moving older emails and other items to a separate (archive) PST file. It ...

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 ...