To backup mail in your AOL Saved on My PC filing cabinet: 1  Search your computer for a file called (your AOL screen name).abi. 2  If your screen name is myscreenname, for example, search for a file called myscreenname.abi.3  You should find it in a folder called organize.o backup mail in your AOL Saved on My PC filing cabinet: 1  Search your computer for a file called (your AOL screen name).abi. 2  If your screen name is myscreenname, for example, search for a file called myscreenname.abi.