>> CIO file

CIO file format description

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

1 filename extension(s) found in our database.

.cio - SWAT Master Watershed Data

The CIO data files are related to SWAT. CIO file is a SWAT Master Watershed Data. SWAT (Soil Water Assessment Tool) is an hydrology model with the following components: Weather, surface runoff, return flow, percolation, evapotranspiration, transmission losses, pond and reservoir storage, crop growth and irrigation, groundwater flow, reach routing, nutrient and pesticide loading, water transfer.

Data files
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SWAT Master Watershed Data related extensions:
SWAT Groundwater Input Data
SWAT Lake Water Quality Input Data
SWAT Reach Output Data
SWAT Solar Radiation Data
SWAT Stream Water Quality Input Data

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

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

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

io, cii, ci, fio, cuo, co, cko, cil, vio, ico, dio, coo, clo, cip, cik

Is it possible that the filename extension is misspelled?

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Operating systems

DataTypes.net currently supports the following operating systems:

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

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