thank you!!! and how do i delete my email account in messaging?

also. i go to applications, file manager, and i scroll down there is something called "Img0 0B" and "pim.vol 588.00K"

idk what it is. it's after all the folders like, Application Data, COnnMgr, Documents and settings MAPI, MUSIC, My DOcuments, Program files, temp, adn windows... those 2 things after after it. adn idk what they are....