A daily updated filename extension database!

ES4 file extension

The table below provides useful information about the .es4 file extension. It answers questions such as:

  • What is the .es4 file?
  • What program do I need to open a .es4 file?
  • How can the .es4 file be opened, edited or printed?
  • How can I convert .es4 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ ECMAScript 4 Source Code

ECMAScript 4 Source Code .es4 file icon
ES4 file is an ECMAScript 4 Source Code. ECMAScript is a scripting-language specification standardized by Ecma International in ECMA-262 and ISO/IEC 16262. It was created to standardize JavaScript, so as to foster multiple independent implementations.
Category: Development files
Application: Mozilla Firefox
Mime-type: application/ecmascript
Magic number: -
Magic string: -
Sample: -
ES4 aliases:
ES4 related links:
ES4 related extensions:
ECMAScript Source Code

ECMAScript 6 Source Code

ECMAScript 5 Source Code

Other types of files may also use the .es4 file extension.

🚫 The .es4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

ds4, ec4, es, ese, esr, est, ex4, ss4, ws4

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

MQL4 Compiled Modules
4D Database External
Epson Print CD v4 Project
DeSmuME Saved State
Streets & Trips Map Data
Sage CRM Script
SAM Coupe Bitmap Image
ENVI Linked Window Group Data
E-Prime E-Studio 1.x Experiment File
WordStar 2000 Document

🔴 Can't open a .es4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .es4 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .es4 file extension, write to us!

Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
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