Learn more about Microsoft MyAnalytics here: https://products.office.com/en-us/business/myanalytics-personal-analytics

1. Head to:  https://myanalytics-gcc.microsoft.com/
2. Click on the gear in the upper right and then "Settings" Under "MyAnalytics"
3. 
   
4. Toggle the switch to "Off" and click save at the bottom.
5.  
   
6. Close out the window when you're done.