Microsoft Outlook throws an error code 0x8004060c, which results in no incoming and outgoing email using the Outlook client. The problem is with the PST file, which ...

While sending an email through the Outlook desktop app, if you see an error message saying Microsoft Outlook cannot sign or encrypt this message because there are no ...

When it encounters an error, Microsoft Outlook automatically transmits an error report to the Microsoft support team. Problems can arise, however, when you receive a ...

Maybe try setting Outlook Express as the defauly and then switching it back. If that doesn't work I would probably just reinstall Outlook.

Microsoft has disclosed a Classic Outlook bug that blocks users from sending email via Outlook.com, returning a ...

Microsoft is investigating a known issue that prevents some Classic Outlook users from sending emails via Outlook.com.

Microsoft is investigating issues with Outlook and Microsoft 365 after users report login failures and missing emails, ...