If you don't usually review dump files to troubleshoot problems, they are probably wasting valuable space – here's how to delete them on Windows 10.
On Windows 10, when a critical error occurs (such as Blue Screen of Death (BSoD)), the system creates memory dump files (also known as "crash dumps"). These files contain a copy of the system memory at the moment of the crash, which can help to diagnose and determine the reason for the problem.
Full story from the WindowsCentral blog...