The document discusses file formats that can be used for movies in PowerPoint presentations. It notes that Macintosh prefers Quicktime movie formats (.mov) while Windows uses Windows Media files (.wmv). MPEG files can play on both platforms. Microsoft developed WMV and AVI specifically for Windows, while MPEG is an open standard developed to allow for compressed video formats. PowerPoint can play MPG, MPEG, WMV and AVI files as well as ASF files, an open source format. The document provides tips for font usage in PowerPoint, recommending using high contrast, common fonts, consistency, serif fonts for more text, avoiding all caps and script fonts.