CHX file format description

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

1 filename extension(s) found in our database.

.chx - AutoCAD Standards Check

The CHX data files are related to Autodesk AutoCAD. The CHX file is an AutoCAD Standards Check. AutoCAD is a computer-aided design (CAD) program used for 2-D and 3-D design and drafting. The CHX file contains a list of all project drawings as drawings to be checked, and a list of all specified AutoCAD standards files (DWS) as files to check against.

Autodesk AutoCAD
Data files
- / -
AutoCAD Standards Check related extensions:
IMVU Skeleton Data
Petrosys Fault Data
Nikon Optional Picture Control
Job Messaging Format File
Gimp Matte Data

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

Can't open a .chx 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 .chx file extension is often given incorrectly!

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

cbx, cgx, ch, cha, chc, chd, chs, chz, cmx, cnx, ctx, cx, cxh, dhx, fhx

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Autodesk Land Desktop Label Style
Chordastic Chord
Visual Basic User Control Binary Data
IBM Rational XDE Component Instance File
DeltaV Database File
Scitex Continuous Tone

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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