Answer: If your trying to get rid of em. The best way to do that is to put them in the recyling bin and then empty it. Doing that will delete them off your computer so they can't be found.
Explanation: Also keep in mind that whether or not you delete them they'll still be on your hard drive.
The browser should default to Calibri (body)
Maybe in atosave, Computers mostly save what your working on :3