Web how to insert and edit video in powerpoint insert a video. Web in the editing section of the ribbon, click trim video. this opens a small editing window for you to trim the clip. Web learn more about trimming and editing videos in powerpoint, including adding intro and exit screens, setting timings and exporting as an.mp4. Web in normal view, select the video border on the slide. In powerpoint, click the [insert] tab > locate the media group.