You don't generally need to format a new flash card. One might need to format a flash card if the file system becomes corrupt. >>> cindy2u@xxxxxxxxxxx 02/23/05 07:33PM >>> I'm a relatively new Bookport user. I just bought a compact flash card with a 256 megabyte capacity. I'm a bit confused. Is it necessary to format all new flash cards? If not, when and why is it Thanks. Cindynecessary?