CNIVG file format description

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

1 filename extension(s) found in our database.

.cnivg - CadnaR Voxel Grid Data

The CNIVG data files are related to CadnaR. The CNIVG file is a CadnaR Voxel Grid Data. CadnaR is a highly advanced software for the calculation and assessment of sound levels in rooms and at workplaces.

Data files
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CadnaR Voxel Grid Data related extensions:
Crystal Reports Report
RoboForm Safenote File
OMA DRM Content Format
Powernet Waveform File
ADS40 Orientation Data
Swiftview Command File

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

Can't open a .cnivg 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.

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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