You can retrieve all the files but first back up all your important files before repormsting your pc
When reformatting to wondows, installer tendd to detect the previuos windows installed, itvwill givebtheboptions iether to erase or leave it as is. if leave is choosen as. is will not erase the data in it but rather you will have a WINDOWS.OLD on your drive c: where you can all access your docs
You can retrieve all the files but first back up all your important files before repormsting your pc