I can sign in to my outlook.com account on Firefox but not with Chromium on the same computer. I was able to sign in last week.
 
I can sign in to my other outlook.com account on Firefox and with Chromium on the same computer.
 
To be complete, I have gone through all the diagnosis steps - cleared cache and cookies, reset password all to no avail.
 
I would like to know whether there is an action that I can take or whether there is a problem at outlook.com end.