With Filestar you get 0 different skills for working productively with Warcraft III Map (Reign of Chaos) (.w3m) files.
About .W3m
Name
Warcraft III Map (Reign of Chaos)
Extension
.w3m
Format
Binary
Category
Game
Developer
Blizzard Entertainment
Description
A Warcraft III Reign of Chaos map (.w3m) - an HM3W header followed by an MPQ archive holding the terrain, units, script and preview picture. Filestar extracts its files.