.OPT File Extension

Configuration file that contains preferences and options settings for a specific program; modified by the program when the user selects different options within the program.

OPT files are referenced by several programs including Borland Delphi and SilkTest, Microsoft Visual Studio, Symantec pcAnywhere, and Macrovision FLEXnet Manager.

File saved by Opterecenja, a program used for creating construction project plans based on weather elements such as snow and wind; saves various parameters used for producing output values; used for calculating structural load, which can also be plotted visually in the software.

NOTE: The Opterecenja software and website are localized in the Croatian language. The word "Opterecenja" is the Croatian word for "load."