The ABW file format is the default document format for the AbiWord word processing software and the format is based on XML. The ABW file format allows for advanced document layouts, rich text formatting, lists, tables, images and footnotes. ABW files are similar in nature to Microsoft Word DOC files, however, unlike Microsoft Word files, the AbiWord program can run on almost any computer operating system.
TIFF is a format for storing raster graphics. It is used for scanning and OCR text, faxing, printing industry, is widely supported by a variety of graphics applications. The format was developed by Aldus Corporation in collaboration with Microsoft for use with PostScript. Who is copyright to it owns Adobe Systems. The format used to store images with great depth of color.