CNX file format description
Many people share .cnx files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cnx file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cnx files.
1 filename extension(s) found in our database.
.cnx - IBM Rational XDE Component Instance File
CNX file is an IBM Rational XDE Component Instance File. Rational XDE is a graphical component modeling and development tool that uses the industry-standard Unified Modeling Language (UML).
- .cnx file format description:
- CNX format description not yet available
- IBM Rational XDE
- Data files
- - / -
- IBM Rational XDE Component Instance File related links:
- IBM Rational XDE Component Instance File related extensions:
Naturally, other applications may also use the .cnx file extension. Even harmful programs can create .cnx files. Be especially cautious with .cnx files coming from an unknown source!
Can't open a .cnx 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.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .cnx file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
cbx, snx, ncx, dnx, cx, cnd, cna, cmx, cgx, nx, fnx, cxn, cns, cnc, cn
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- IBM Rational XDE Collaboration File
- MapleStory NX Package
- Conexant Modem Driver
- Catena Project
- Autodesk Land Desktop Label Style
- ZX Spectrum Emulator Snapshot Extended
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