BASIN file format description

Many people often share .basin files without providing instructions on how to use them. This can make it difficult for users to determine which program is compatible for editing, converting, or printing .basin files. To address this issue, we have created this page to offer assistance and guidance on handling .basin files. We provide information on compatible software, editing instructions and conversion options to help users effectively interact with .basin files.

Our aim is to simplify the process and promote seamless use of the .basin file format.

1 filename extension(s) found in our database.

.basin - HEC-HMS Basin Model Settings

The BASIN data files are related to HEC-HMS. The BASIN file is a HEC-HMS Basin Model Settings. The Hydrologic Modeling System (HEC-HMS) is designed to simulate the complete hydrologic processes of dendritic watershed systems.

Data files
- / -
HEC-HMS Basin Model Settings related extensions:
HEC-HMS Control Specifications Data
HEC-HMS Meteorologic Model Data

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

Can't open a .basin 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.

Operating systems

At, we strive to provide a seamless user experience by ensuring compatibility with a wide range of operating systems. The following is a comprehensive list of the operating systems currently supported by

Windows XP/Vista, Windows 7/8/10, Windows 11, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, macOS, Mac OS X, iOS, Android

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