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What is ODT File Extension? How to Open ODT Document?

ODT (Open Document text) file format is a word processing file used by Apache’s OpenOffice Writer. This format is similar to DOC/DOCX file format of Microsoft Word. However, ODT is XML-based open source document which doesn’t require any license to be purchased. The file extension is compatible with open source applications such as OpenOffice and LibreOffice.

  • ODT is a part of Open Office programs (ODF), developed by Sun Microsystems. Later, it was developed by OASIS (Organization for the Advancement of Structured Information Standards)
  • Text documents having .ODT extension are created in OpenOffice and StarOffice, alternatives to MS Office suite
  • OpenDocument text files are opened and viewed in Microsoft Word 2010 & 2013.
  • OpenOffice and LibreOffice support ODT file extension.
  • ODT files are compatible with NeoOffice, AbiWord , and KWord
  • They can be imported in Google's Web-based word processor and Google Docs

The ODT file belongs to the category of document Files.

  • Windows- OpenOffice.org Writer, Sun Microsystems Writer (included with StarOffice), AbiWord and Microsoft Word with OpenXML/ODF Translator Add-in for Office 
  • Mac- OpenOffice.org Writer, NeoOffice Writer and AbiSource AbiWord 
  • Unix- OpenOffice.org Writer, Sun Microsystems Writer (included with StarOffice), KOffice KWord, and AbiWord

ODT File extension introduced by Sun Microsystems

  • application/vnd.oasis.opendocument.text
  • application/x-vnd.oasis.opendocument.text

Hex: 50 4B 03 04

General I/O error

  • General Error. General input/output error opening documents with Libreoffice.

The encryption method used in this document is not supported

  • Microsoft Office support several different methods of password-encrypted files. LibreOffice can open some of the password-encrypted Microsoft Word files, but can't open all of the files.