.FAS File Extension

.FAS File Extension

File Type 1

Compiled Fast-Load AutoLISP File

Developer Autodesk
Popularity
3.7  |  15 Votes
Category Executable Files
Format Binary

What is a FAS file?

Compiled script written in AutoLISP, a variation of the LISP programming language used specifically for the extension of AutoCAD software; often used for creating macros that automate common processes within AutoCAD; can be used for distributing utilities that add new features to the software.

More Information

FAS files are commonly compiled using Visual LISP, an IDE that is included with some AutoCAD purchases.

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Programs that open FAS files

Windows
Updated September 26, 2011
File Type 2

FASTA Sequence File

Developer N/A
Popularity
2.8  |  5 Votes
Category Data Files
Format Text

What is a FAS file?

Plain text file saved in the FASTA format, a file format used for storing DNA sequences; used in the process of storing and processing bioinformatics information, such as the genomes of different species.

Programs that open FAS files

Windows
Mac
Updated March 18, 2015
File Type 3

QuickSilver Fast Save Lisp File

Developer BroadVision
Popularity
3.3  |  3 Votes
Category Executable Files
Format N/A

What is a FAS file?

Compiled Lisp (.LSP) file saved in the "Fast Save Lisp Format" by Interleaf or QuickSilver; contains compiled code that can be executed by the program; may be generated by selecting either the DTK→Compile→Buffer or DTK→Lisp→Compile menu commands.

More Information

FAS files are also called FASL (Fast Load) files.

NOTE: Broadvision acquired Interleaf in January 2000 and later renamed the InterLeaf software to QuickSilver.

Programs that open FAS files

Windows
BroadVision Interleaf 6 and later
Linux
BroadVision Interleaf 6 and later
Updated October 5, 2009

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