.ac$

File Type AutoCAD Temporary File IconAutoCAD Temporary File
File Format Proprietary (Autodesk)
Usage Referenced by an application; not meant to be opened manually
Rank ★ ★ ☆  Average
Description

Temporary file generated by AutoCAD, a 2D/3D drawing and design program; contains information used by various commands, including "UNDO" and "HIDDEN LINES."

AC$ files do not contain any drawing data and only exist when AutoCAD is open. They are automatically deleted when the program is closed.

Open With
Windows

IconAutodesk AutoCAD

Updated 2007
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