File Extension G99

.G99 File

File extension: G99
File type: Geometry File

Notes about the G99 file extension:

To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The G99 file type is primarily associated with 'HEC-RAS' by U.S. Army Corps of Engineers. Hydrologic Engineering Centers River Analysis System (HEC- RAS) is a one-dimensional steady flow hydraulic model designed to aid hydraulic engineers in channel flow analysis and floodplain determination. The results of the model can be applied in floodplain management and flood insurance studies. These files can have extensions from G01 through G99.

Detailed information for file extension G99:

Primary association: HEC-RAS
Company: U.S. Army Corps of Engineers
Identifying characters Hex: 47 65 6F 6D 20 54 69 74 6C 65 3D , ASCII: Geom.Title=
File Identifier - TrID
'Identifying characters' used on are
provided by Marco Pontello from his TrID database

To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

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