.FCH File Overview

File Extension:	FCH
File Type Description:	Gaussian Checkpoint File
File Type Developer:	Gaussian, Inc.
Primary Associated Software:	Gaussian
Primary Software Developer:	Gaussian, Inc.

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Home File Types Data Files FCH

What is File Extension FCH?

FCH files are a type of Gaussian Checkpoint File developed for Gaussian by Gaussian, Inc.. Our internal web tracking data indicates that Windows 10 operating system users, and those living in United States, are the most likely to use Gaussian Checkpoint File files. Google Chrome is the predominant internet browser used by this population.

Associated Developers and Software

Gaussian by Gaussian, Inc.

Top FCH User Languages

Top FCH File User Browsers

Desktop Friendly?

Mobile Friendly?

Top User Operating Systems


Windows 10	Windows 11	Windows 6	Windows 8.1

Associated Operating Systems

	Windows
	Mac
	Linux
	Unix

Other File Types Related to FCH Files

Extension	File Type Developer	File Category	File Type Description
.FCHK	Gaussian, Inc.	Data Files	Gaussian Checkpoint
.GJF	Gaussian, Inc.	Data Files	Gaussian Input Data File
.G94	Gaussian, Inc.	Data Files	Gaussian 94 Output Chemical Modeller Input File
.GQA	Hummingbird Ltd.	Data Files	BI/Query Data Model Admin Layer
.5A	Open Source	Data Files	Linux Data File
.LDS	GNU Project	Developer Files	Binutils LD Linker Script
.GRA	Microsoft Corporation	Data Files	Microsoft Graph File
.ST2	National Instruments	Data Files	SPICE Status Data
.CASTLE	Unknown Developer	Data Files	Unknown Apple II File. (found On Golden Orchard Apple II CD Rom)
.O1	Open Source	Data Files	Object File For GO321v1 Platform