If the Send optional diagnostic data is not turning off, there could be an organizational level configuration at play here.
Microsoft is investigating a bug that causes Copilot issues when multiple Office apps are running simultaneously on the same ...
Open the Windows Run by pushing the Windows + R buttons. Now type the following command in: msdt.exe -id DeviceDiagnostic.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results