Hi, I think the BP does this when you connect. I've never formatted a card upon purchasing it, but I've always been able to send audible.com books, etc. I think this system file is just automatically generated at some point. On Tue, 31 Jan 2006 17:10:48 -0800, Brian Buhrow wrote: > I said that it was necessary to format a new flash card in order to >use it in the bookport. I see that folks are saying it's not. However, I >believe you'll lose some functionality if you don't. The bookport places >some identifying information on the flash card when it formats it, and the >transfer software uses that to do things, I think, like let you copy >audible books to your bookport.