A fas file extension is related to the AutoCAD a CAD software for Mac and Windows. A fas file stores script written in AutoCAD VisualLisp.

There is one other file type using
the FAS file extension!

empty icon.fas - QuickSilver fast save Lisp data

Detailed description

Software that open fas file

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FAS file extension - AutoCAD Fast-load Auto LISP compiled data file

What is fas file? How to open fas files?

File type specification:

Source code and script file type icon Source code and script file type

The fas file extension is mainly related to Autodesk AutoCAD, a CAD designing tool for Microsoft Windows and Apple macOS (OS X) operating systems.

The fas file stores AutoLISP script.

These files are compiled using VisualLISP, part of AutoCAD.

Updated: August 11, 2022

The default software associated to open fas file:

AutoCAD icon

Autodesk, Inc. logoAutoCAD  Microsoft Windows software

Company or developer:
Autodesk, Inc.

A CAD designing software with the powerful, flexible features. It is a CAD development platform that provides tools to build custom AutoCAD-based software products for specific markets. The default file formats using by AutoCAD are: DWG and DXF.

AutoCAD for Mac icon

Autodesk, Inc. logoAutoCAD for Mac  Apple macOS / Mac OS X software

Company or developer:
Autodesk, Inc.

AutoCAD for Mac software—it’s AutoCAD, for the Mac, bringing robust 3D free-form design tools and powerful drafting capabilities to your platform of choice. It takes full advantage of the macOS platform, with an intuitive, graphical user interface that makes it easy to bring your ideas to life.

Help how to open:

Use AutoCAD VisualLisp to open *.fas files.

How to convert:

Conversion to other formats is not possible.

List of software applications associated to the .fas file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open fas file, edit fas file, convert fas file, view fas file, play fas file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting fas files.

Software that open fas file - AutoCAD Fast-load Auto LISP compiled data file

Programs supporting the exension fas on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open fas file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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