What is the G03 file format?
A file with the .G03 extension is a file known as HEC-RAS Geometry. It belongs to the Misc Files category. This format is associated with U.S. Army Corps of Engineers.
The reliable way to open a .G03 file is with software that recognises this exact format, rather than guessing from the file name. If you are not sure what created a file, our file identifier can read its first bytes and name the real format, even when the file has been renamed.
We are still gathering the list of programs that open .G03 files. A fully verified, hand-written description of this format is being prepared; until then, the details on this page are drawn directly from our database.
Format details
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