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Basic information about W3M file

When there is a problem with opening files with the file extension W3M（*.W3M or *.w3m）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the W3M file yourself.

There are 1 file types using the W3M file extension in our database. In the further part of this page, you will find detail information about all the W3M file with their brief description and a list of programs that support W3M file sorted by operating systems. The table below provides useful information about the W3M file extension. It answers questions such as:

What is the W3M file?
How to open a W3M file?
What programs do I need to open a W3M file?
What programs help to create and edit a W3M file?
How to convert W3M files to another file format?
How to convert another files to W3M file format?

1.Detail information about W3M file extension: Warcraft 3 Map File

Software programs that will open, edit or convert W3M files
File type	Warcraft 3 Map File	Category	Game Files
Developer	Blizzard Entertainment	File format	Binary
Description	W3M file is a Warcraft 3 Map File developed by Blizzard Entertainment. Game map used by Warcraft III: Reign of Chaos; includes terrain, objects, and resources placed within the map; may be included with the game or created by players with the Warcraft III World Editor.
Windows	Blizzard Warcraft 3 Blizzard Warcraft 3 World Editor Warcraft III: Reign of Chaos
macOS	Blizzard Warcraft 3 Blizzard Warcraft 3 World Editor Warcraft III: Reign of Chaos

Can't open a W3M file?

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

”Can't open this file: example.W3M”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the W3M extension without any issue.

Where I can download the application that support W3M file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.

How to change file associations?

Right-click a file with the extension whose association you want to change, and then click "Open With".
In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
Select the ”Always use the selected program to open this kind of file” check box.

Can I change the extension of W3M 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/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.

What else may cause problems width open a W3M file?

The reasons for the lack of the ability to open a W3M file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a W3M file. If there is still something wrong, you might want to check:

Whether the W3M file is damaged.
Whether the W3M file is incorrectly linked in the registry entries.
Whether the W3M file extension has been accidentally removed from the Windows registry.
Whether the installation of an application that supports the W3M file format is incompletely.
Whether the W3M file is infected.
Whether the drivers of the equipment used for opening a W3M file are up to date.
Whether your computer has enough hardware resources to open a W3M file.

If the W3M file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.