- DOC - (Wordprocessor - Microsoft Word, Apple Pages, Apple AppleWorks, OpenOffice Writer, Nuance OmniPage Pro X, Corel WordPerfect)
- EPUB - (eBook - Open Publication Structure - Apple iPad, Amazon Kindle, Sony Reader, Barnes & Noble Nook, Adobe Digital Editions, Lexcycle Stanza, FBReader, calibre, Lexcycle Stanza, Mobipocket Reader, FBReader, dotReader, FBReader, dotReader)
- FB2 - (eBook - HaaliReader for Pocket PC, FB Writer, FBTools, HaaliReader for Windows, Cool Reader, Athenaeum, Any to FB2, BookDesigner, PyBookReader, OrnamentBook, Okular)
- HTML - (Hypertext Markup Language - Any web browser. Any HTML editor)
- LIT - (eBook - Microsoft Reader)
- LRF - (eBook - Sony Portable Reader, Calibre, BookDesigner, Makelrf, Canon Book Creator)
- MOBI - (eBook - Mobipocket Reader, Amazon Kindle)
- ODT - (Wordprocessor - OpenDocument Text Document, OpenOffice.org Writer, NeoOffice Writer, AbiSource AbiWord, Apple TextEdit, IBM Lotus Notes 8 or later, OpenOffice Writer, Sun Microsystems Writer, StarOffice Writer, Microsoft Word with OpenXML/ODF Translator Add-in, KOffice KWord, Google Docs, Google word processor)
- PDB - (Base de Dados - Palm Pilot, Barnes & Noble Nook, Pegasus, Quicken, MS Visual Studio, Intuit Quicken, Microsoft Visual Studio .NET)
- PDF - (Portable Document Format File - Adobe Reader, Adobe Acrobat 9 Pro, Barnes & Noble Nook, Roxio Toast 10 Titanium, Apple Preview, Inkscape, Skim, Web browser with Acrobat plugin, Corel Paint Shop Pro Photo X2, Nuance PDF Converter 6, Nuance PaperPort 12, ACDSee Photo Manager 2009, ACD Systems Canvas 11, Brava! Reader, Sumatra PDF, Inkscape, Foxit Reader, KPDF, Okular, Evince, PDFedit, Inkscape)
- PMLZ - (eBook - eReader, MakeBook, DropBook)
- RB - (eBook - RocketEdition, Gemstar)
- RTF - (Wordprocessor - Rich Text Format - Apple TextEdit, Apple Pages, Microsoft Word, Nuance OmniPage Pro X, Any text editor that supports formatted text, Microsoft WordPad, Corel WordPerfect Office X4)
- TCR - (ebook - TCR eBook, Psion Series 3 + Series 5, VReader5, EBook, Reader)
- TXT - (Plain Text File - Any text editor, Barnes & Noble Nook, Apple TextEdit, Bare Bones Software BBEdit, MacroMates TextMate, Microsoft Notepad, Microsoft WordPad, Microsoft Word, Corel WordPerfect Office X4, Helios TextPad, Notepad++, Notepad2, Leafpad, gedit, KWrite)
- WPS - (Wordprocessor - Microsoft Works Word Processor Document - Microsoft Works, Planamesa NeoOffice 2.2 or later, DataViz MacLinkPlus, Microsoft Word, Microsoft Publisher)
- XHTML - (Extensible Hypertext Markup Language - Any web browser. Any HTML editor)
- XML - (Extensible Markup Language - JAPISoft EditiX, ElfData XML Editor, Bare Bones BBEdit, Any text editor, Microsoft XML Notepad, Altova XMLSpy, Wattle XMLwriter, SCREEM HTML/XML Editor)
- XPS - (XML Paper Specification - Pagemark XpsViewer, Apple Safari with Pagemark XpsPlugin, Mozilla Firefox with Pagemark XpsPlugin, Microsoft XPS Viewer, Nuance PDF Converter 6, Pagemark XpsViewer, Pagemark, XpsConvert, Mozilla Firefox with Pagemark XpsPlugin)