Digital music forum: Converting an M4A library to WMA

You just have to change settings in iTunes:
Go to edit menu, then preferences, choose the advanced tab, then to the importing tab, then choose import using mp3 encoder. This works as long as all of the songs are DRM free. That is, any purchased content through the iTunes Store will only work if they are iTunes Plus tracks. If they are all ripped cds or otherwise started off as mp3s there should be no probblem. If you don't want to download iTunes, you can have your brother do it for you and then give you the resulting files. Then he can change his settings back to aac.

Probably there are other programs that can do this. You might have to be patient and wait for more responses. I'm mainly an iTunes user and thought I would just put it out there.

One other step I missed. After doing the above suggestion, when you right-click on a music track, there is an option to Convert Selection to MP3.

I think this may be the answer.

Love this thing.
Use it all the time.
Just google "free zune video converter"

Change the settings so it converts to WMA.
Drag the files and convert.

iTunes works too, but it creates duplicate files in the same folder, and takes forever.

I converted about 2k songs, about 30 hours for high bitrate MP3s.