It's all about finding how much you can compress it to reduce the file size without noticing that the video is actually of lower quality.
Because even if you compress a video ever so slightly, there will still be some quality loss. Optionally, save your presentation as a new file if you also want to have an original, uncompressed version of the presentation. It’s as simple as that to reduce PowerPoint file size in Office 2019 / 2016. Compressing videos on Mac is a balancing act. Follow these steps to learn more about video compression options in PowerPoint 2016 : Open a presentation where you have already inserted a video clip that you want to compress.
Following is how to compress pictures in PowerPoint 2016 for Windows and Mac. The 'Compress Pictures' window will appear. FIRST, LETS TACKLE THE POWERPOINT (or Word) SETTINGS THAT NEED TO BE CORRECTED. Select the 'Picture Format' tab when selecting one or a few images 2. You’ll get a smaller PowerPoint file with all the embedded images compressed. How To Compress PowerPoint using picture format 1.