The File Extensions Database


._DOCX File Extension

  • Category: Text Files

What is an ._DOCX file?

._DOCX is Renamed Microsoft Word Open XML Document

A _DOCX file is a Microsoft Word Open XML document with the .docx extension changed to ._docx. It is a .DOCX file, which includes formatted text, images, graphs, tables, and charts. _DOCX files may be renamed to "._docx" files by an email program to prevent the file from being blocked by an email service.

Another reason why a _DOCX file may be created by an email program, such as Windows Live Mail, is if the filename ends with a "." before the "." in the extension. For example, the email program changes sample..docx to sample._docx. This also commonly occurs with .DOC, .XLS, and .XLSX files.

You can rename _DOCX files by changing the "._docx" extension to ".docx". After renaming the file, you can open it as a standard DOCX file. Some programs that can open DOCX files are Microsoft Word, Corel WordPerfect, LibreOffice Writer, and Apple Pages.

How to solve problems with _DOCX files

  • Associate the _DOCX file extension with the correct application. On :
    Windows: Right click on any _DOCX file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *._DOCX files". Mac: Right click (or Ctrl-click) the _DOCX file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open ._DOCX is Renamed Microsoft Word Open XML Document. Because only the current version supports the latest _DOCX file format. Search, therefore, e.g. on the N/A manufacturer website after an available ._DOCX is Renamed Microsoft Word Open XML Document update.
  • To make sure that your _DOCX file is not corrupted or virus-infected, get the file again and scan it with antivirus software.