

%userprofile%\AppData\Local\Packages\Microsoft.Win32WebViewHost_cw5n1h2txyewy\AC\#!123\INetCache\ If the following folder exists, delete its contents too. %LOCALAPPDATA%\Microsoft\Office\16.0\Wef\ To remove all sideloaded add-ins from Excel, Word, and PowerPoint, delete the contents of the following folder. Manually clear the cache in Excel, Word, and PowerPoint

The manual method for Excel, Word, and PowerPoint is different from Outlook.
