If you also find some AVIs not playing well on the Windows Pro tablet, Pavtube Video Converter will help you out, since it converts AVI to Surface Pro optimized MP4 format while downsizing the videos to make room for other media and apps. How to convert DivX AVI for Microsoft Surface Pro playback 1. Add AVI files to Microsoft Surface Pro Video Converter. You can directly drag and drop the videos on your hard drive to the app. This Microsoft Surface Pro Video Converter supports batch conversion, so you can add several files at one time. It saves your time and energy. 2. Select Microsoft Surface Pro preset from format list. In the format column, choose "Windows > Microsoft Surface Windows Pro H.264 Video (*.mp4)" preset. Tip: If there is not preset for the device, download a profile patch from here and double-click on it to install. The output video will be encoded in 16:9, which fits Surface Pro tablet just right. 3. Hit on "Convert" to start AVI to Microsoft Surface Pro conversion on Windows 7/Vista/XP. You can go for some coffee, leaving this app do the rest for you. 4. When conversion completes, hit on “Open” to find converted files and transfer videos to Surface Pro. Other than converting AVI to Microsoft Surface Pro, this Surface Pro Video Converter also lets you to edit videos a bit. You can trim a large video file into several segments to get rid of the unwanted part; you can crop the video frame size, and make it fit on your new Microsoft Surface Pro more perfectly. If you are not satisfied with your video effect, you can switch to another type of video effect, say, Old Film or Gray. The software converts MKV, MP4, AVI, VOB, MOV, M4V, MTS, etc to Microsoft Surface Pro optimized MP4 video at ease as well. But it doesn’t do DVD conversion. To rip a protected DVD movie and even 1080p full HD Blu-ray discs for Surface Pro, check the discounted Blu-ray Video Converter Ultimate.