Step #

Task

Screenshot

1

Issue: Signing into a known good Office 365 account results in the error message, “Another account is already signed in on this device try again with a different account.”

2

In Windows navigate as follows

“Settings -> Accounts -> Accounts -> Access work or school”

Remove all entries, except any AD domain entries.

3

Open File Explorer.

Navigate to

 “%LocalAppData%\Microsoft\OneAuth\accounts”

Move all folders and file to C:\Temp

4

Open File Explorer.

Navigate to

 “%LocalAppData%\Microsoft\IdentityCache”

Move all folders and files to C:\Temp

5

Open Office and sign in.