.ac$
| File Type |
 AutoCAD Temporary File |
| File Format |
Proprietary (Autodesk) |
| Usage |
Referenced by an application; not meant to be opened manually |
| Popularity |
★ ★ ★ ☆ ☆ 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.
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| Open With |
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| Updated |
2007 |
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