DOC File Extension

Organization Microsoft Corporation.
File Signature OLE Compound File
Category Document files

What is DOC file Format?

DOC is a document file format which is used by Microsoft Word. It contains formatted text, tables, charts, images, page formatting, and print settings. DOC file format changes slightly with every new version of Microsoft Word. The .doc file format is used for various type of documents like letters, essays, resumes, and invitations. It can be easily opened and closed again for editing.

Supportive Applications

  • WordPad
  • WordPerfect
  • LibreOffice Writer
  • OpenOffice Writer
  • Kingsoft writer


  • application/msword
  • application/vnd.msword
  • application/winword
  • application/x-msw6
  • application/doc