Signature or Stationery and Fonts button doesn’t work
After uninstalling the Windows store app Microsoft Office Desktop Apps, the Signature or Stationery and Fonts button should work. Open Settings, Find Apps & features. Click on the Office Desktop App and select Uninstall change both (Default) and LocalServer32 values in each of the following keys to the appropriate path for your installation of Outlook. HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0006F03A-0000-0000-C000-000000000046}\LocalServer32…