Yes, Windows Movie Maker can import .mp3 file formats in addition to these:
.aif, .aifc, .aiff, .asf, .au, .mp2, .mpa, .snd, .wav, and .wma
Windows Movie Maker will not accept .mkv or .flv files. You have to convert the files to a format compatible with the program before you can import them. Windows Movie Maker is limited in the amount for formats it can import/use.
Windows Movie Maker((:
You need to configure your computer to open files from an earlier version Windows Movie Maker.
Video files compatible with Windows Movie Maker include:asf, .avi, dvr-ms, .m1v, .mp2, .mp2v, .mpe, .mpeg, .mpg, .mpv2, .wm, .wmv
YouTube does not accept Windows Movie Maker Project files (MSWMM). You have to Publish or Finish your video in Windows Movie Maker first. This process changes the project file into a Standard viewing format that can easily be uploaded to YouTube.Just remember... Publish or Finish the video before burning, uploading or emailing.
Import the files to your computer from the CD, then import them into the Windows Movie Maker Program.
Easycap capture card files are not compatible with Windows Movie Maker.
jpg files.
You can't play video files created on WMM v2.6 on the earlier version 2.1 of Windows Movie Maker (XP).
Windows Movie Maker does not accept .mov files. You will need to convert that file to one compatible with the program before you can import and edit it:asf, .avi, dvr-ms, .m1v, .mp2, .mp2v, .mpe, .mpeg, .mpg, .mpv2, .wm, .wmv
You can't paste embedded files into Windows Movie Maker.
As long as the Hypercam files are in the correct format for Windows Movie Maker, they can be imported into the program. If the files are not compatible, they will need to be converted before importation.