What's your OS and RAM? You can find it out on About This Mac under the Apple logo. If you didn't know this already, the type of video files it can handle all depends on the video player. If what you already have doesn't work with some files, then Google that video format and look for a video player for your OS. And if you have a high enough OS for the video, your specs won't matter for whether you can play certain types of video or not, though higher specs will allow you to play it well.what's type of the video files can handle with this ibook? And what's resolution?