>> DOCX file

DOCX file format description

Many people share .docx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .docx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .docx files.

1 filename extension(s) found in our database.

.docx - Microsoft Word 2007 Document

The DOCX document files are related to Microsoft Office Word 2007. DOCX file is a Microsoft Office Word 2007 Document without macros. Office Open XML (commonly abbreviated as OOXML) is a new file format specification for the storage of electronic documents such as memos, reports, books, spreadsheets, charts, presentations and word processing documents.

Microsoft Office Word 2007
Document files
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Microsoft Word 2007 Document related extensions:
Microsoft InfoPath XML Form
Microsoft Project Exchange Document
Microsoft InfoPath Property Promotion
Microsoft Project Template
Microsoft Publisher Document
Microsoft Publisher Archived HTML

Naturally, other applications may also use the .docx file extension. Even harmful programs can create .docx files. Be especially cautious with .docx files coming from an unknown source!

Can't open a .docx file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .docx file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

dcx, doc, docc, docz, dox, ocx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Visual Basic ActiveX Document Binary Form
Multipage PCX Image
Corel WordPerfect Document
Microsoft Word Document
WordStar 2000 Document
DragThing Color Settings

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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If you have useful information about the .docx file format, then write to us!

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