Another day gone by and I am still unable to sign in to check my email using Windows Mail or sign in to the Outlook Calendar app on my home computer. I can log in to my Microsoft Account using my browser but Windows Mail and the Calendar app repeatedly give me this Error Message : "We'er having trouble signing you in Try Again in a few minutes"

what use is Windows Mail if it will not allow me to sign in? I would really like to know how to access all of my email in this application?  This is the only reason I like to use an application to access my multiple email accounts on different servers as I can see all of my email in one place. Please advise...