โอเพนด็อกคิวเมนต์

Also known as OpenDocument Format, Open Document Format, .odt, odt, .odf

OpenDocument Format (ODF) for Office Applications, also known as OpenDocument, standardized as ISO 26300, is an open file format for word processing documents, spreadsheets, presentations and graphics using ZIP-compressed XML files. It was developed with the aim of providing an open, XML-based file format specification for office applications.