File extension DOCX (.DOCX) information

Windows cannot open DOCX files?

If Windows is unable to open file extension .DOCX you may have registry related errors or may not have the appropriate program installed. We strongly recommend that you run a free registry scan.

Appropriate program:

File extension DOCX denotes a text file which is created by Microsoft Word. Word is an application within Microsoft Office 2007. It's a program for authoring, allowing users to create as well as share documents. DOCX is the current and upcoming format that documents belonging to Microsoft Office use. This file type uses also zip compression, which enables size reduction and has an XML architecture. DOCX is going to be an open format, which means it will be published for use by anyone. Conversion a file extension from DOCX to DOC, a previous format used by earlier editions of Microsoft Word, can be easily done using Word 2007 or the latest version. There are also other free tools online that can convert DOCX to PDF for example too.

Incorrect associations are the cause of many file extension errors. Scan your system to prevent, identify and repair DOCX file extension association errors.


  • Performance: To optimize memory and CPU usage for DOCX files run a free performance scan.
  • Stability: Fix DOCX errors to make your system and applications more stable.
  • Drivers: Scan your PC for the outdated drivers which lead to system errors and slowdowns.

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