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 ...

Microsoft 365 services including Outlook, Microsoft Defender and Microsoft Purview were impacted on Thursday, with the company issuing an update on the matter.

Microsoft Outlook is one of the popular email clients that is used by a lot of people worldwide for sending and receiving emails. Like Gmail, Outlook also has a feature to move specific emails to a ...

Microsoft has fixed a known issue that prevented Microsoft 365 customers from opening encrypted emails in classic Outlook ...

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

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 ...

Microsoft issued another out-of-band update to fix a bug that caused Outlook to crash for Windows 11 users. This second ...

Microsoft experienced a major outage on January 22 that affected Outlook, Teams, 365 and more. Here's what happened.