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

Several Outlook users, on different forums, have reported encountering the error “OST file cannot be opened,” when trying to open the application or sending ...

Microsoft Outlook is a popular email client to manage personal and professional information. When you configure a POP/POP3 email account in Microsoft Outlook, the client downloads and stores all the ...

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 ...

As announced, Microsoft has integrated a function into its new Outlook to open the PST files of the classic version. Firstly, you must be subscribed to Microsoft 365 and have also connected the ...

Microsoft has fixed a major bug preventing Microsoft 365 users from launching the classic Outlook email client on Windows systems. As explained when it acknowledged the issue in September, affected ...