.ESP File Extension

Bethesda Softworks
File Type:
Fallout 3 Plugin File

Having trouble opening .esp extension? Don't panic! This page explains what esp files are as well as suggests programs you may use to open esp files. You can download these programs through this page.

What is a ESP file?

Esp file extension has Fallout 3 Plugin file type, developed by Bethesda Softworks, which is associated with the "game files" category.

Commonly used by such games as Fallout 3 and Fallout: New Vegas, the file provides a plugin, which may be applied for modifying the content of the game. It may also contain AI settings, objects used in the game, settings for the gameplay, etc.

Users may edit ESP plugin files through G.E.C.K. (the Garden of Eden Creation Kit). ESP files may only be load with a corresponding .ESM file.

To learn how you can open the given file, read the information below.

esp file icon
Bethesda Softworks
File Type:
Fallout 3 Plugin File
Game Files

How to open ESP file?

Double click the esp file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .esp extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the esp extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the esp file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open ESP files

  • Windows Windows
    • Bethesda Softworks Fallout 3 Bethesda Softworks Fallout 3
    • Bethesda Softworks Fallout: New Vegas Bethesda Softworks Fallout: New Vegas
    • Bethesda Softworks GECK Bethesda Softworks GECK

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the esp file as well. Download Universal File Viewer for your OS.

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