RLS file format description

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

2 filename extension(s) found in our database.

.rls - RadLight Skin Data

The RLS data files are related to RadLight. The RLS file is a RadLight Skin Data. RadLight is a powerful multimedia player which supports major audio and video file formats. The RadLight seems to be no longer supported.

Data files
- / -
RadLight Skin Data related extensions:
RadLight Media Player Skin

.rls - SymbianOS Localization Data

The RLS data files are related to SymbianOS SDK. The RLS file is a SymbianOS Localization Data. SymbianOS is a rich, object-oriented, 32-bit real-time OS that previously used a microkernel architecture. The SymbianOS SDK seems to be no longer supported.

SymbianOS SDK
Data files
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SymbianOS Localization Data related extensions:
MODAWEC Output Data
H&R Block 2015 Tax Return Data
Nikon Capture White Balance Data
ClarisWorks STL Data
SyncTeX Data
Avid Xpress Pro Template

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

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

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

dls, els, fls, gls, lrs, ls, ris, rks, rl, rlc, rle, rlw, rlx, rlz, rms

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Robot Scripting Language
XMetaL Author Rules Data
Sony BBeB E-Book Source
EasyLanguage Storage
Guitar Rig Loop Machine Data
Lazarus Resource

Operating systems

DataTypes.net 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 .rls file format, then write to us!

DataTypes.net >> RLS file