.ESP file extension
This is the basic program to work with .ESP extension
The Elder Scrolls Construction Set allows you to edit and create any data for use with The Elder Scrolls IV: Oblivion.
Any data that goes into the game goes in through the Construction Set and is stored in data files (labeled either ESM or ESP files) that are read by the game... (
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The program works with the following extensions:
esm,
esp
.ESP extension is also supported by the following programs:
The GECK is used to create game content for Fallout 3.