Hi Farley,
Here’s a similar sign in window disappear issue in this thread or this thread. Please try the suggestions working for some customers 1 by 1 to see if they can work for you:
- Go to the registry editor (Win+R; regedit) > go to HKEY_CURRENT_USER -> Software -> Microsoft ->Office -> 16.0 ->Common -> Identity. Inside "Identity", create a new REG_DWORD value called "EnableADAL" and leave the value at
- Restart the PC and try again to login from Office 2016.
- Follow the steps below to clear credential information:
(1) File>Account>under User Information, sign out all the existing account and exit all Office apps.
(2) Control Panel>User Accounts>credential manager>Windows Credentials, remove all Office 365 credentials that look like: MicrosoftOfficeXXData:XXXXXXXXX
(3) Right click windows icon>Run>type "regedit" then press ENTER to open the redistry editor. Go to**HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity,**delete the whole Identity folder
Warning: This page contains information about editing the registry. Before you edit the registry, make sure you understand how to restore it if a problem occurs. For information about how to do this, viewHow to back up and restore the registry in Windows. Modifying Registry incorrectly can cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that problems resulting from the incorrect use of Registry can be solved. Modify Registry at your own risk.
- Right click the Windows start icon > settings > accounts > Access work or school > disconnect your work or school account > reconnect the account one more time.
- Delete the local user profile and recreate it to see the outcome.
Thanks,
Rena