Forum Discussion
cannot add account in outlook in office365
I want to add an account in outlook 365. However, an error message was prompted saying that my security certificate was expired. What should I do?
I would suggest that you try to use the tool here in setting up your account:
https://support.office.com/en-us/article/About-the-Microsoft-Support-and-Recovery-Assistant-e90bb691-c2a7-4697-a94f-88836856c72f
Might be helpful if you take a screenshot of the error message and post it here. Another thing is if your email address domain is used as a website as well, verify if the certificate of the website is still valid.
In addition to what was suggested above, also try and disable any firewall/antivirus on your network. Then check the behavior