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.AC$ File Extension

A .AC$ file is a AutoCAD Temporary File, created by Autodesk.

Open with Autodesk AutoCAD 2023. Available for Windows.

What is a .AC$ file?

The file extension .AC$ is associated with a type of file known as an AutoCAD Temporary File. This kind of file is created by AutoCAD, which is a software application used for drawing and designing in both two dimensions (2D) and three dimensions (3D). When you are working on a design in AutoCAD, it sometimes needs to save temporary information. This information can be related to different commands you might use while designing, such as the "UNDO" command, which lets you go back a step if you make a mistake, or the "HIDDEN LINES" command, which helps in viewing your design more clearly by hiding certain lines.

To open a .AC$ file, you would typically use the program Autodesk AutoCAD 2023, as this software is specifically designed to work with AutoCAD files, including these temporary files. However, it's important to note that .AC$ files are not meant to be directly opened or used by the user. They don't contain the actual drawing or design data that you would see in your project. Instead, they are there to support the software in running smoothly and efficiently.

These temporary files are only present while AutoCAD is running. Once you close the program, AutoCAD automatically deletes these .AC$ files because they are no longer needed. This cleanup helps in managing space on your computer and ensures that only necessary files are kept. So, while you might see .AC$ files appear in your folders when AutoCAD is open, they will disappear on their own once you close the application, and there's no need for you to manually manage them.

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