CADL file format description

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

1 filename extension(s) found in our database.

.cadl - CADKEY CAD Advanced Design Language File

The CADL document files are related to CADKEY. The CADL file is a CADKEY CAD Advanced Design Language File. CADKEY was the premier 2D CAD Software system in the 1990’s. It was also the first 3D CAD system to run on a Personal Computer.

Document files
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CADKEY CAD Advanced Design Language File related extensions:
CADKEY Dynamic Extension
CADKEY Document
CADKEY Organized Dialog Data
CADKEY Design Document
CADKEY Template Document
CADKEY Part Document

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

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

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

adl, cad, cal, cdl, sadl, xadl

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CALS Compressed Bitmap
HP PhotoSmart 850 Camera Firmware
Broderbund PrintMaster Calendar
Common Data Form Language File
CADKEY CAD Advanced Design Language File
Radiance Function File

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 .cadl file format, then write to us! >> CADL file