In this article, Stellar highlights the possible causes behind this Outlook data file error and explain the troubleshooting ...

New Outlook refuses to start on Windows 11 but you can fix it by deleting the Olk and OneAuth subfolders in Appdata.

If you cannot add your Gmail account to Outlook due to the "We couldn’t log on to the incoming (POP/IMAP) server" error, use ...

As spotted by Bleeping Computer, Microsoft has published a new service alert related to Outlook. Labelled as issue EX1189359 and titled "Users may be unable to open Excel files attached to email ...

The error you’re experiencing seems to stem from a combination of factors, such as connection encryption, potential Outlook profile issues, or conflicting third ...

Microsoft Outlook is a personal information manager for emails, calendars, and contacts. Outlook emails may contain crucial information, such as meeting schedules and contacts, so it is wise to back ...

The cause appears to be the use of non-ASCII characters in file names. Microsoft describes it like so: “Any user may be ...

Chris: After upgrading to Outlook 2007, I get a data file error every time I open Outlook. The exact error message I see is "A data file did not close properly the ...

Hundreds of frustrated Outlook users have flooded to Microsoft’s community site to bemoan the error, which is causing havoc for millions working and studying from home, as well as those who run their ...

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client.