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A document file format is a text or binary file format for storing documents on a storage media, especially for use by computers. There currently exists a multitude of incompatible document file formats. A rough consensus has been established that XML is to be the technical basis for future document file formats, although PDF is likely to remain the format of choice for fixed-layout documents. Examples of XML-based open standards are DocBook, XHTML, and, more recently, the ISO/IEC standards OpenDocument (ISO 26300:2006) and Office Open XML (ISO 29500:2008). In 1993, the ITU-T tried to establish a standard for document file formats, known as the Open Document Architecture (ODA) which was supposed to replace all competing document file formats. It is described in ITU-T documents T.411 through T.421, which are equivalent to ISO 8613. It did not succeed. Page description languages such as PostScript and PDF have become the ''de facto'' standard for documents that a typical user should only be able to create and read, not edit. In 2001, a series of ISO/IEC standards for PDF began to be published, including the specification for PDF itself, ISO-32000. HTML is the most used and open international standard and it is also used as document file format. It has also become ISO/IEC standard (ISO 15445:2000). The default binary file format used by Microsoft Word (.doc) has become widespread ''de facto'' standard for office documents, but it is a proprietary format and is not always fully supported by other word processors. ==Common document file formats== * ASCII, UTF-8 — plain text formats * Amigaguide * .doc for Microsoft Word — Structural binary format developed by Microsoft (specifications available since 2008 under the Open Specification Promise)〔(【引用サイトリンク】title=Microsoft Office Binary (doc, xls, ppt) File Formats )〕 * DjVu — file format designed primarily to store scanned documents〔(【引用サイトリンク】title=What is DjVu - DjVu.org )〕 * DocBook — an XML format for technical documenation * HTML (.html, .htm), (open standard, ISO from 2000), in combination with possible image files referred to. * FictionBook (.fb2) — open XML-based e-book format * Office Open XML — .docx (XML-based standard for office documents) * OpenDocument — .odt (XML-based standard for office documents) * OpenOffice.org XML — .sxw (open, XML-based format for office documents) * OXPS — Open XML Paper Specification (Windows 8.1 and above, older version is XPS used in Windows 7) * PalmDoc — Common Handheld document format * Plucker — Handheld navigable widely used document standard * .pages for Pages * PDF — Open standard for document exchange. ISO standards include PDF/X (eXchange), PDF/A (Archive), PDF/E (Engineering), ISO 32000 (PDF), PDF/UA (Accessibility) and PDF/VT (Variable data and transactional printing). PDF is readable on almost every platform with free or open source readers. Open source PDF creators are also available. * PostScript - .ps * Rich Text Format (RTF) — meta data format being developed by Microsoft since 1987 for Microsoft products and cross-platform document interchange〔http://reference.wolfram.com/mathematica/ref/format/RTF.html〕〔http://support.microsoft.com/kb/86999〕〔http://www.techtree.com/India/Reviews/Evolution_of_MS_Word/551-101355-575.html〕 * SYmbolic LinK (SYLK) * TeX — Popular open-source typesetting program and format. First successful mathematical notation language. * TEI — XML format for digital publication * Troff * Uniform Office Format — Chinese standard * WordPerfect (.wpd, .wp, .wp7, .doc) (Note: possible confusion with Word format extension) 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Document file format」の詳細全文を読む スポンサード リンク
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