Here are some tips that are taught in presentation skills training course to improve powerpoint presentation skills. Each line should carry a maximum of six words. Too many words make it difficult for the audience to understand the idea in a short span of time.  Each slide should carry maximum of six lines to avoid confusion. It helps the audience to grasp much faster. Keep empty spaces in the slides so that they become easy on eyes. Do not use too many graphics or multiple colors. At times, it becomes difficult for the audience to read clearly. Too many colors cause distraction.