What is .YBK file extension?
Electronic book that can be read on a desktop computer using YanCEyDesktop; can also be read on a Pocket PC PDA using YanCEyWare Reader; supports text, graphics, highlighting, links across e-books, and page viewing history; common format used for storing The Church of Latter-day Saints literature and other religious texts, though it can be used for other nonfiction and fictional texts as well.
YBK files must be stored in the \Library\ directory of the SD card used by the PDA in order to work correctly.
YanCEyWare Reader for Pocket PC and Windows Mobile is distributed as donation-ware from the YanCEyWare website.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.