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>> G03 file

G03 file format description

Many people share .g03 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .g03 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .g03 files.

1 filename extension(s) found in our database.

.g01 - HEC-RAS Geometry File

G01 file is a HEC-RAS Geometry File. Hydrologic Engineering Centers River Analysis System (HEC-RAS) is a one- dimensional model, intended for hydraulic analysis of river channels

.g01 file format description:
G01 format
Data files
- / -
g02, g03, g04, g05, g06, g07, g08, g09, g10, g99
HEC-RAS Geometry File related links:
HEC-RAS Geometry File related extensions:
HEC-RAS Flow File
HEC-RAS Geometry File

Naturally, other applications may also use the .g03 file extension. Even harmful programs can create .g03 files. Be especially cautious with .g03 files coming from an unknown source!

Can't open a .g03 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 .g03 file extension is often given incorrectly!

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

v03, y03

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

BlindWrite CD Image Segment
Flash ROM HEX File
HEC-RAS Flow File
WinRAR Archive
G3 FAX Image
MicroStation Modification System Resource File

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If you have useful information about the .g03 file format, then write to us!