CHRO file format description

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

1 filename extension(s) found in our database.

.chro - RelEx Chromatograms Data

The CHRO data files are related to RelEx. The CHRO file is a RelEx Chromatograms Data. RelEx is a computer program for the Calculation of Ion-Current Ratios from Liquid Chromatography.

Data files
- / -
RelEx Chromatograms Data related extensions:
Relex Project

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

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

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

cho, chr, chr0, cro

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Atari 8-bit Blazing Paddles Font
AquaCrop Crop Data
Altair FEKO FEST3D S-parameter Matrix Data
Chord Pro Chord
Infinity Engine Creature Definitions Data
Amazon Lumberyard Character Asset 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 .chro file format, then write to us! >> CHRO file