User database file
The USR file extension is associated with user database files in a number of environments, including Procomm Plus, Turbo C++, PerfectExpert and Microsoft Visual Studio .NET. A user database is one that contains the end-users information and is typically populated by the end user.
The USR file extension is also associated with Dagarta extended audio data files, ERGO receiver configuration files, FileMaker database files, MicroImages user information files and Corel Photo Paint files.
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