Diagnostic data in Microsoft 365 - Microsoft Support
https://support.microsoft.com/en-us/office/diagnostic-data-in-microsoft-365-f409137d-15d3-4803-a8ae-d26fcbfc91dd
WebRequired diagnostic data is the minimum amount of data that we need to collect in order to keep the product secure, up to date, and performing as expected. For example, if a Microsoft 365 application crashes, certain details about the crash, that help us to diagnose and fix the problem, are collected.
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