GCG file format description

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

2 filename extension(s) found in our database.

.gcg - GCG DNA Sequence

The GCG data files are related to MEGA. The GCG file is a GCG DNA Sequence. GCG Format is used by the GCG suite of programs.

Data files
- / -
GCG DNA Sequence related extensions:
MEGA Alignment Sequence Data
MEGA Saved Session
MEGA Tree Session Data

.gcg - GAUSS Compiled Program

The GCG development files are related to GAUSS Engine. The GCG file is a GAUSS Compiled Program. GAUSS is a matrix programming language for mathematics and statistics, developed and marketed by Aptech Systems.

GAUSS Engine
Development files
- / -
GAUSS Compiled Program related extensions:
dBASE IV Form Data
Microsoft Expression Web PHP6 Script Data
Microsoft Windows Metadata
Microsoft Azure Diagnostics Configuration Data
Microsoft DirectX D3D Effect
Microsoft Developer Studio Project

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

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

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

bcg, cg, cgg, fcg, gc, gcb, gcf, gch, gcn, gcr, gct, gcv, gdg, gfg, gg

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Renegade Paintball Game Audio
3D SexVilla Game Movie
Reliable Change Generator Data
Precompiled C Header File
HCLab Document
Google Chrome Backup Archive

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 .gcg file format, then write to us!

DataTypes.net >> GCG file