The higher the video quality, the larger the file size. In the first drop-down box under the Create a Video heading, select the video quality you want, which pertains to the resolution of the finished video. (Or, on the Recording tab of the ribbon, click Export to Video.) On the File menu, select Save to ensure all your recent work has been saved in PowerPoint presentation format (.pptx).Ĭlick File > Export > Create a Video.