>> CG4 file

CG4 file format description

Many people share .cg4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .cg4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .cg4 files.

1 filename extension(s) found in our database.

.cg4 - CALS Group 4 Bitmap

The CG4 graphic files are related to reaConverter. CG4 file is a CALS Group 4 Bitmap. CG4 is a raster format associated with CALS (Continuous Acquisition and Life-Cycle Support) program.

Graphic files
- / -
CALS Group 4 Bitmap related extensions:
CALS Group 4 Type 2 Bitmap
Apple QuickTake Picture

Naturally, other applications may also use the .cg4 file extension. Even harmful programs can create .cg4 files. Be especially cautious with .cg4 files coming from an unknown source!

Can't open a .cg4 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 .cg4 file extension is often given incorrectly!

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

c4, c4g, cb4, cg, cgr, cgt, ch4, cr4, ct4, cv4, g4, sg4, xg4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

SmartCAM Code Generation Template
Gerber Inner Routing Layer 1 Data
Edmics Image
Quest3D Channel Group File
Clonk 4 Script
Catia V5 Drawing

Operating systems 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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