If none of the other solutions worked, you may need to uninstall Outlook and install it back again. By reinstalling Outlook, you will remove corrupt files and restore Outlook to the default settings and environment.
Feel free to check the don't know how to uninstall a program / an application guide, if you are not sure how to uninstall programs safely.
If you don’t receive the email in the next 2 minutes please check your junk folder, and add [email protected] to your safe sender list.