How to open Autodesk AutoCAD action macro .actm files
Have you had trouble opening the actm file on your computer? What are actm files? We explain what they are and recommend software that we know will open them.
What is actm file?
An actm file extension is related to the AutoCAD and used for its action macro files.
Autodesk AutoCAD action macro description
The actm file extension is associated with the AutoCAD, a 3D CAD modeling tool for Microsoft Windows and Mac OS X (macOS) operating systems developed by Autodesk.
The actm file stores action macro for AutoCAD.
Suggested software to open actm file

AutoCAD
Leading 2D and 3D CAD development software from Autodesk