File extension .FAS
| Full Name | Developer | Category |
|---|---|---|
| AutoCAD Fast-load Auto LISP Format | Autodesk | Executable Files |
The FAS file extension is a Compiled Fast-Load AutoLISP File used by Autodesk AutoCAD and other Autodesk products. It is an executable code developed with AutoLISP, which is an application-specific language used to customize AutoCAD. This type of code contains LSP, or Lisp Source Program, instructions written in plain text containing a set of commands for the product. The FAS file extension compiles that code and turns it into an executable file, storing all of the necessary components such as font, layers, line type, and any information needed for the specified program.
The Compiled Fast-Load AutoLISP File is generally found on computers running Microsoft Windows operating systems. It is recommended to be stored in a common accessible folder for easier access, and should only be opened if absolutely necessary to maintain proper functioning of AutoCAD programs. Other similar AutoCAD-related file extensions are .LSP, .VLX, and .VLR.
Programs for WINDOWS system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .FAS) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .FAS extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .FAS file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .FAS extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .FAS extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .FAS file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .FAS file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .FAS file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .FAS file) will be extended to the maximum.
It is also good to check
- if the .FAS file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines
Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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