Opening a GFC File

The GFC file type is primarily associated with ICGEM.

GFC	File extension: GFC
	File type:	data file

What is a GFC file?

GFC files mostly belong to ICGEM. GFC files serve several specialized roles. The most common use is to store gravity field model data. These files contain numerical coefficients that represent the Earth’s gravity measurements and serve in geophysical and geodetic research.

They record gravity field coefficients used in geoid modeling and research, often in plain ASCII format.

They can also store flowchart diagrams, as seen with files generated by FlowCharter.

In some cases, they hold game configuration details for tools like the CryENGINE Sandbox Editor.

FilExt.com note: If your file is related to gravity measurements, specialized software, such as that provided by ICGEM, may be required to view and analyze the data. Additionally, examining the file in a text editor can reveal headers or metadata that clarify its specific use.

How can I open a GFC file?

You need a suitable software like ICGEM to open a GFC file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GFC file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GFC file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GFC Text Viewer

Choose your .gfc file to analyze

or drag and drop it here

Online File Viewer

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GFC file format details:

If you can determine the file format, the associated program can also be determined. The file format can be deduced from the file extension and the signature. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. When there is a problem with a file, the first step to solving it is to determine the file format. Our examination of the GFC files comes to the following conclusion:

The GFC file extension is rarely used and is used by a few programs, each with its own file format. The two most popular formats are as follows:

• 25% of all GFC files start with the bytes The crucial for this file format. These files are text files and can therefore be read using a text editor. Most of these files are 5 MB to 280 MB in size. It is a modern file type. The files contain the following words: ------------, EIGEN-6C4 is a static global combined gravity field modelup to degree and order and The Gravity Field Model EIGEN-6C4. The file name eigen-6c4.gfc or XGM2019e_2159.gfc is typical for these files. These files are often associated with eigen.
• 15% of all GFC files start with the magic bytes 0C EF CD AB, which are always the first bytes of this file format. These files are binary files, so they do not contain text, but only cryptic characters. The files are 2 KB to 13 KB in size, with a median of 6 KB. Such files sometimes refer to gate.

All other GFC files (60%) have no consistent format, such as Unconstrained, Pavlis and THE. These files are often connected to grace, itsg, kfilter, utcsr, goco, plusgrs, costg or grfo. If you want to find out what your GFC file contains, drag and drop it onto this page.