FST File

What are FST files and how to open them

Are you having problems opening a FST 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 FST file?

FST files have multiple uses, and FAST Input is one of them. Read more about the other uses further down the page.

FAST Input

We have not yet analyzed in detail what these files contain and what they are used for. We're working on it.

How to open FST files

Important: Different programs may use files with the FST file extension for different purposes, so unless you are sure which format your FST file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested nine different FST openers which you will find listed below.

Last updated: December 11, 2022

More file formats using the FST extension

Through our research of FST files, we know that the following formats exist. However, we have not yet analyzed them in detail.

Various apps that use files with this extension

These apps are known to open certain types of FST files. Remember, different programs may use FST files for different purposes, so you may need to try out a few of them to be able to open your specific file.

Help us help others

File.org helps thousands of users every day, and we would love to hear from you if you have additional information about FST file formats, example files, or compatible programs. Please use the links below or email us at submit@file.org to discuss further.