How To Fix Issue Of Outlook Keeps Asking for Password?

It is extremely annoying, when MS Outlook keeps asking for Password in spite of entering it many times in the app. I am passing through this technical situation. So it is making me more frustrating. I don’t know exactly why I am facing this difficult situation. There can be many technical causes why it asks from me to type my password again and again. I have applied my technical solutions to sort out  Outlook keeps asking for password  error, but no results. I have no appropriate resolutions for this error.