.ES File Extension

Psychology Software Tools
File Type:
E-Studio 1.x Experiment File

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

What is a ES file?

Es file extension has E-Studio 1.x Experiment file type, developed by Psychology Software Tools, which is associated with the "data files" category.

E-Studio is a program for creating psychological experiments, which is included in the E-Prime software suite. This application saves its projects in files with the .ES extension. They contain multiple stages of experiments for behavioral research. May include injected stimuli (video, sounds, effects, etc.), data logging processes, and setup steps as well. E-Studio 2 uses the newer .ES2 extension instead of .ES files.  

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

es file icon
Psychology Software Tools
File Type:
E-Studio 1.x Experiment File
Data Files

How to open ES file?

Double click the es 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 .es 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 es 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 es 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 ES files

  • Windows Windows
    • Psychology Software Tools E-Prime Psychology Software Tools E-Prime

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 es file as well. Download Universal File Viewer for your OS.

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