.ICD File Extension

Executable program encrypted with SafeDisc, a disc copy prevention program for Windows games and other applications; typically saved along with an .EXE file which loads the protected ICD file.

In order for a SafeDisc-encrypted program to run, the SafeDisc authenticator must verify the SafeDisc signature on the disc. After the disc has been verified the ICD file can be decrypted and run.

NOTE: Beginning with SafeDisc 2, the loader was integrated with the main EXE file, removing the need for the ICD file.

An OpenGL driver that is responsible for implementing the entire OpenGL pipeline for a Windows game or application; intended for high-end video cards that include most of the OpenGL pipeline within the hardware.

NOTE: Programs that reference ICD files may produce the following error message:

The Filename.icd file is linked to missing export Dinput.dll:DirectInputCreateEx

If this error appears, Microsoft DirectX may need to be reinstalled to fix the problem.

Two-dimensional drawing created by IronCAD, a 3D and 2D CAD program; contains objects, line types, styles, layers, and user-defined symbols.

To create an ICD file, select "Create a new Drawing Document" when the "Welcome" dialog box appears after opening the IronCAD program. Then you'll be prompted to choose your desired drawing template and click OK. Once the template opens, you can go to the IronCAD icon in the top-right, then File → Save As....