Take a look at the manual in the list of file types that are supported. The .opf extension is very definitely among the list of supported file types (it's for DAISY 3 format and that's what Bookshare uses). ----- Original Message ----- From: "doc" <talmidim@xxxxxxxxxxxxxxxxxx> To: <bookport@xxxxxxxxxxxxx> Sent: Saturday, August 26, 2006 11:09 AM Subject: [bookport] Re: Thanks for help Inever heard of (.oph) are you sure bookport works with that extention? what method are you using to upload?