You could get logs of internal errors on the Office Addin using following method. Its simple and easy and involved few steps achieve.
Open Windows registry editor (windows + R then regedit.exe) and follow the route “HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Wef\Developer\” and mention your location to write logs.
- Runtime logging feature available in Office desktop 2016 version.
- You must be admin of the considered system to perform this.
Initially, this is kept blank and keep in mind to reverse it back since it leads to performance issues.