If Outlook opens in a browser instead of the app, execute the solutions given below. Change the default app in Windows settings Set Outlook as the default client for all extensions Change the default ...

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

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 ...

You may see this error because the Microsoft 365 encryption service cannot verify your identity or check if you have permission to view the message. This is not ...