How can I use MCEdit to edit my worlds?

[CorranEveryone]

Does anybody know how to use a .cw file in MCEdit? I’m trying to create something but MCEdit keeps telling me that it cannot read the file.

[Goodly]

You can't use .cw files with MCEdit. May I recommend you host a local instance of MCGalaxy for heavy-duty map editing? It contains a bunch of useful building commands. Check out the guide Venk wrote here: