RS7 file format description

Many people share .rs7 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .rs7 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .rs7 files.

1 filename extension(s) found in our database.

.rs7 - LightTools Radiant Source Model Data

The RS7 data files are related to LightTools. The RS7 file is a LightTools Radiant Source Model Data. LightTools is a 3D optical engineering and design software product that supports virtual prototyping, simulation, optimization, and photorealistic renderings of illumination applications.

Data files
- / -
LightTools Radiant Source Model Data related extensions:
LightTools SLIB Data

Naturally, other applications may also use the .rs7 file extension. Even harmful programs can create .rs7 files. Be especially cautious with .rs7 files coming from an unknown source!

Can't open a .rs7 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 .rs7 file extension is often given incorrectly!

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

ds7, gs7, rs, rsi, rsu, rsy, s7, sr7

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

OS/2 Warp Remote Software Update
Reactis Info File
Xpand Rally Xtreme Replay Data
Sun Raster Image
FLEXIT Multishot Survey Raw Data File
Rust Source Code

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

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If you have useful information about the .rs7 file format, then write to us! >> RS7 file