If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .w3m

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

Below, you can find answers to the following questions:

  • What is the .w3m file?
  • Which program can create the .w3m file?
  • Where can you find a description of the .w3m format?
  • What can convert .w3m files to a different format?
  • Which MIME-type is associated with the .w3m extension?
Warcraft 3 Map .w3m file icon

Warcraft 3 Map

The W3M file is a Warcraft 3 Map. Warcraft 3 is a real-time strategy game from Blizzard Entertainment.
Category: Game Data files
Application: Warcraft 3
Program name: -
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.mdl Warcraft 3 Text Model Data
.cpn Age of Mythology Campaign Data
.dwd Doom ASCII Map
.2ds Unreal Tournament 2D Shape Data
.mlx Starcraft Saved Game

Other types of files may also use the .w3m file extension. If you have helpful information about .w3m extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.wm Windows Media File
.w3n Warcraft 3 Expansion Campaign
.w3l W3launch Data
.wrm Winradio Memory Data
.w3h Warcraft 3 Map Buffs Data
.d3m Descent 3 Data

The .w3m filename extension is often given incorrectly!

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

wrm (1), wm (1), w3n (1), w3h (1), s3m (1), 3m (1), wwm (1), wm3 (1), wem (1), w3l (1), w3 (1), d3m (1)

Can't open a .w3m file?

If you want to open a .w3m file on your computer, you just need to have the appropriate program installed. If the .w3m association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.w3m

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

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.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android