What is .QXB file extension?
Digital book file created by QuarkXPress, a professional page layout and publishing application; contains the pages of a book, including a master page, book sections, page text and numbering, and page formatting; can be a completed book or a part of a larger book.
Since large books with many pages can slow down system performance, users often break up books into smaller QXB files.
You can see a list of software programs here on www.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.