Hkey_current_user\software\microsoft\office\16.0\common\identity Info

The HKEY_CURRENT_USER\Software\Microsoft\Office\16.0\Common\Identity key is an unsung hero of the Microsoft ecosystem. It is the gatekeeper of the modern workplace.

Stores the tokens for logged-in users.

$path = "HKCU:\Software\Microsoft\Office\16.0\Common\Identity\Identities" Get-ChildItem -Path $path | ForEach-Object Get-ItemProperty -Path $_.PSPath The HKEY_CURRENT_USER\Software\Microsoft\Office\16

In addition to the registry, clear the Windows Credentials Manager ( Control Panel\User Accounts\Credential Manager ) for any cached MicrosoftOffice16 credentials. The HKEY_CURRENT_USER\Software\Microsoft\Office\16

: Explicitly enables Modern Authentication. This is usually the default, but setting it to 1 can fix cases where Office fails to trigger the modern login prompt. The HKEY_CURRENT_USER\Software\Microsoft\Office\16