Hi, No. Basicly, the first file is your actual text of mp3, I think in the case of text files anyway, the other two are for your book marks and an index file that lists all the navigation pointers to words, sentenses etc. -James- ----- Original Message ----- From: "Sharon Hamm" <shotzy13@xxxxxxxxxxxxx> To: <bookport@xxxxxxxxxxxxx> Sent: Saturday, October 30, 2004 6:26 AM Subject: [bookport] file extentions > Hello. I asked this question the other day and did not receive an answer. > When you transfer a file why does it put 3 files with different extensions > on the card? To me that takes up extra space I would like to use. Hope > someone can explain this to me. Is there a way to make that not occur? > Sharon > > > >