.$AC File

.$ac is Autodesk AutoCAD autosave

Key Features: .$AC File Extension

Features Description
File Extension .$ac
Format N/A
Created by Autodesk
Category 3d graphics

What's on this Page

  1. How to open:
  2. How to convert:

What is an .$AC file?

The $ac file extension is associated with Autodesk AutoCAD, a popular CAD modeling software for Windows and Mac.

The $ac file contains autosaved CAD drawing. It is used as a backup of AutoCAD project against application, or computer crash. After the project is finally saved by user, the autosave file will be deleted.

How to open:

Use AutoCAD to open *.$ac CAD autosave files.

How to convert:

Restore data from *.$ac files with AutoCAD and save them to other CAD formats.


3d graphics


How to solve problems with $AC files