Sending of diagnostic data to Microsoft must be disabled.

Diagnostic data is used to keep Office secure and up to date; detect, diagnose and remediate problems; and make product improvements.

Verify the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Privacy >> Trust Center >> "Configure the level of client software diagnostic data sent by Office to Microsoft" is set to "Enabled", and "Neither" from the Options is selected.

Use the Windows Registry Editor to navigate to the following key: HKCU\software\policies\Microsoft\office\common\clienttelemetry

If the value "SendTelemetry" is "REG_DWORD = 3", this is not a finding.

If the registry key does not exist or is not configured properly, this is a finding.

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office 2016 >> Privacy >> Trust Center >> "Configure the level of client software diagnostic data sent by Office to Microsoft" to "Enabled" and select "Neither" from the Options.