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CAD file format description

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

1 filename extension(s) found in our database.

.cad - Autodesk QuickCAD Document

The CAD document files are related to Autodesk AutoSketch. CAD file is a Autodesk QuickCAD Document. Autodesk QuickCAD is a user friendly 2D drafting program. As of September 30, 2004, Autodesk no longer offers QuickCAD 8 software, nor is Autodesk planning any more releases of QuickCAD.

Autodesk AutoSketch
Document files
- / -
Autodesk QuickCAD Document related extensions:
Autodesk AutoSketch Drawing
Redline Markup Language Document
Softdesk Drafix CAD Document
Autodesk DWF XPS Document
Autodesk 3D Scene
Autodesk FBX Document

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

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

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

acd, ad, ca, cac, cae, caf, car, cas, cav, caw, cax, cd, cda, cwd, cxd

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Oracle Documaker CAR Archive
CAD Zone Drawing
Sony ACID Pro Project
Abaqus/CAE Model Database
After Dark Screensaver
Broderbund PrintMaster Card

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

If you find the information on this page useful, please feel free to link to this page.

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