You can convert files to the MP4 format on the VLC media player, making them more accessible across your devices.

Cloud Convert handles the conversion on their website, making it an accessible option for basic video format changes. However, for larger files or more advanced needs, I recommend using VLC media ...

A WP3, however, is a project file and doesn't contain video. Use Photo Story to convert your WP3 file to the WMV format, then use third-party software to convert the video file to an MP4.