TIDBITS on the Microsoft Power Platform

So you ramped up a development instance, used it heavily, crammed a bunch of testing into it and now you want a clean fresh start. The following is how you delete a development or sandbox instance of CRM Online.

Switch or delete an instance of CRM Online

https://technet.microsoft.com/library/dn531078.aspx#BKMK_SwitchDelete

Switch an instance

https://technet.microsoft.com/en-us/library/dn896590.aspx

Delete an instance

https://technet.microsoft.com/en-us/library/dn896592.aspx