File Extension Library

.W3U File Extension

  • Developer by: Blizzard Entertainment, Inc.
  • Category: Game Files

What are .W3U files and how to open them?

Can't open .W3U file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .W3U file.

What is a .W3U file extension?

.W3U file extension is created by Blizzard Entertainment, Inc.. .W3U has been classified as Game Files.

.W3U is Warcraft 3 custom units data

The w3u file extension is mainly related to Blizzard's Warcraft 3 real-time strategy game.

W3U format stores any custom created units inside a w3m or w3x map.

Units are created in the world editor, and then generates to this w3u file.

How to open:

These files are located withing W3M Warcraft 3 maps, you have to open them in Warcraft 3 map editor.

How to convert:

As far as we know, this .w3u file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

How to fix problems with .W3U files

  1. You need to update the application that you normally use to open .W3U files. Only the latest version of the software supports the current .W3U file format
  2. You need to check the .W3U file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)