Outlook - Sign-in Problem

1. I had Microsoft Office Pro Plus 2016 on this machine. It was given to me by an MVP friend who had more installations than she could use.

2. I bought Microsoft 365 from Amazon, and they dropped the ball; I had to go to Microsoft Support to get it installed.

3. The Support agent uninstalled Office 2016 and installed Microsoft 365 with no problems.

4. Word, Excel, Outlook, etc.

5. When opening Outlook, as everyone knows, it should open and show me my emails, but it doesn't.

6. Instead, when I open Outlook, it wants me to sign into the old Office 2016 account. I can click the X to close and Outlook opens as it should. In a few minutes, I get another (different) notification that I need to sign into the old account. I click the X to close this notification and things progress as they should.

At this point, I'm about to pull my hair out! I know it's something the Support agent did (or did not do) that's caused this, but I don't want to mess things up . . .

Anyone got any idea why this is happening?

Not a solution, but one thing to take into consideration... Pro plus is often assigned to academic, or corporate use. It may enforced some group policies that are tied to your account.

Not sure in what way could your afterward installation of Office 365 be tied to previous, but I would go into accounts , remove the account that was tied to Office 2016 and add it again later.

Check if all of your email is there on your online server, or backed up before you do that , of course.

Is there any message like.. your account is managed by...?

AndreTen said:

Not a solution, but one thing to take into consideration... Pro plus is often assigned to academic, or corporate use. It may enforced some group policies that are tied to your account.

Not sure in what way could your afterward installation of Office 365 be tied to previous, but I would go into accounts , remove the account that was tied to Office 2016 and add it again later.

Check if all of your email is there on your online server, or backed up before you do that , of course.

Is there any message like.. your account is managed by...?

Thanks Andre! I solved it just a few minutes ago . . . I removed the email address tied to the old installation: Wynona@oldaccount.com (ya didn't really think I was gonna give it up, did ya?) from the "new" Outlook and it no longer asks me to sign into the old account one.

I really don't understand why something that simple worked, but it did, so I'm happy!

Wynona said:

Thanks Andre! I solved it just a few minutes ago . . . I removed the email address tied to the old installation: Wynona@oldaccount.com (ya didn't really think I was gonna give it up, did ya?) from the "new" Outlook and it no longer asks me to sign into the old account one.

I really don't understand why something that simple worked, but it did, so I'm happy!

This really worked?

AndreTen said:

This really worked?

Yuh huh . . .