.AB$ File

The ab$ file extension is associated with the AutoCAD, a 3D CAD modeling software for Microsoft Windows and macOS (OS X) operating systems, developed by Autodesk.

The ab$ file contains AutoCAD plot spooling data.

How to open:

Use AutoCAD to work with *.ab$ files.

How to convert:

As far as we know, this .ab$ file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.