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Related File Extensions

DOCX /.docx File Extension

The DOCX type files belong to Microsoft Office Word 2007 and later versions for Windows and 2008 plus later editions for Mac OS X. The document file is capable of storing text, image, styles, formatting, object that are drawn, along with other document centric elements. DOCX files are generated with Open XML formatting that consists of document files in a collection of individual files & folders in a compressed form. Thus, DOCX files can also be read using former versions of Word processor by Microsoft for Windows & Mac OS with the support of Open XML document.

Being constituted under Word Documents, the DOCX file belongs to document file category.

Docx files are by default supported by Microsoft Office Word application. However, there are plenty of other applications too that can read .docx files.

  • Microsoft Word 2013 (Windows)
  • Microsoft Word 2016 (Mac)
  • WordPad
  • Apache OpenOffice (Windows/Mac/Linux)
  • LibreOffice (Windows/Mac/Linux)

Microsoft Corporation owned and developed.

  • application/vnd.openxmlformats-officedocument.wordprocessingml.document

The hexadecimal file signature of DOCX file types is '50 4B 03 04'

Store location for DOCX is user defined.

End Tag Error

  1. Word 2007 / 2010: The file <document filename> cannot be opened because there are problems with the contents.
  2. Word 2013: We're sorry. We can't open <document filename.docx> because we found a problem with its contents.

The error(s) occur when trying to open a corrupt DOCX file on 98 or above versions of Word processor.

Cannot open file

Happens when the document file is corrupted and the application fails to access/read it.