Your Outlook profile holds all your account settings and data configurations. If this profile becomes corrupted, it might fail to load or cause Outlook to crash upon opening. Such corruption could result from improper shutdowns, software conflicts, or corrupted files within the profile. You’ve probably already tried to start Outlook a few times, checked your internet connection, and restarted your device. But Microsoft’s email client still won’t open, leaving you cut off from your important messages, schedule, and contacts. Microsoft regulatory releases new updates for Outlook and Windows (or macOS).

If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We're aware of an issue where some users see the error message "Your message can't be displayed right now". Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. This fix will also lead to a reduction in the total number of contacts on your contact list. We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm duplicates have been removed.

It can be caused due to improper installation of a program, corruption in the hard drive or registry file, etc. This has nothing to do with the email client