PARAMS file format description

Many people share .params files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .params file can be edited, converted or printed with. On this page, we try to provide assistance for handling .params files.

1 filename extension(s) found in our database.

.params - Foldit Molecules Data

The PARAMS game data files are related to Foldit. The PARAMS file is a Foldit Molecules Data. Foldit is an online game in which humans try to solve one of the hardest computational problems in biology: protein folding.

Game Data files
- / -
Foldit Molecules Data related extensions:
Foldit Puzzle Setup Data

Naturally, other applications may also use the .params file extension. Even harmful programs can create .params files. Be especially cautious with .params files coming from an unknown source!

Can't open a .params file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .params file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:


Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

CASTEP Parameters Data

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

If you find the information on this page useful, please feel free to link to this page.

If you have useful information about the .params file format, then write to us! >> PARAMS file