FS File Type- The quick facts
What are FS files and how to open them
Are you having problems opening a FS file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.
What is a FS file?
The .fs file format stands for F Sharp format.The .fs file extension is found in files that primarily created based on F Sharp programming language. F sharp (F# in some context) is designed for use with Microsoft's .NET library and tools. F# is a strongly typed functional-first language that uses type inference. The programmer does not need to declare types—the compiler deduces types during compilation. F# also allows explicit type annotations, and requires them in varying situations.
FS files are source code files written in Microsoft's F# (pronounced "F Sharp") programming language, which primarily based on the environment of the ML language. FS files can also be written using the Visual F# component of Microsoft Visual Studio 2010. FS files are developer file used for compiling F# code into DLL or EXE program. executables.
How to open FS files
Important: Different programs may use files with the FS file extension for different purposes, so unless you are sure which format your FS file is, you may need to try a few different programs.
While we have not verified the apps ourselves yet, our users have suggested 10 different FS openers which you will find listed below.
Last updated: April 16, 2021
Suggest another file format using extension FS
While we know of one file format using the .FS file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .FS file.
Various apps that use files with this extension
These apps are known to open certain types of FS files. Remember, different programs may use FS files for different purposes, so you may need to try out a few of them to be able to open your specific file.
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