Outlook won’t open 1] Start Outlook in Safe Mode Open Run box, type outlook /safe and hit Enter to open Outlook in Safe Mode. If it opens properly, then maybe you need to take a look at some ...

If Microsoft Outlook crashes or refuses to open at all – or if you are getting corrupted file messages – then you could be dealing with damaged data, especially if none of the previous fixes ...

Network and IT admins have been dealing with ongoing Microsoft 365 issues this week, reporting that some end users cannot use Microsoft Outlook or other Microsoft 365 apps.

Outlook Refuses to Open. Microsoft Outlook connects you to your email and contacts; if it won't open, you won't be able to read the email downloaded to your computer. There are many problems that ...

Issues with Updates Occasionally, an update from Microsoft will cause Outlook to open only in safe mode. If you have recently installed updates for the software, this could be the case.

Microsoft shared a workaround for Outlook Desktop blocking attempts to open IP address or fully qualified domain name (FQDN) hyperlinks after installing this month's Office security updates.

If MailTo links are not opening or working in Microsoft Outlook, you need to set Outlook as the default app for MailTo links.