Comparison of e-book formats Broadband eBooks (BBeB)[edit] Main article: BBeB Format: Sony media Published as: .lrf; .lrx Comic Book Archive file[edit] Main article: Comic book archive Format: compressed images Published as: .cbr (RAR); .cbz (ZIP); .cb7 (7z); .cbt (TAR); .cba (ACE DjVu[edit] Format: DjVu Published as: .djvu DjVu is a format specialized for storing scanned documents. It includes advanced compressors optimized for low-color images, such as text documents. Individual files may contain one or more pages. DjVu files cannot be re-flowed. DOC[edit] Format: Microsoft Word Published as: .DOC DOC is a document file format that is directly supported by few ebook readers. Its advantages as an ebook format is that it can be easily converted to other ebook formats and it can be reflowed. It can be easily edited DOCX[edit] Format: Microsoft Word (XML) Published as: .DOCX DOCX is a document file format that is directly supported by few ebook readers. Its advantages as an ebook format are that it can be easily converted to other ebook formats and it can be reflowed. It can be easily