Feb 25,  · 1. For” When I create the same presentation with Windows 10 the size is at a “normal” level.”, I have tested it and failed to repro the difference in file size in Windows and Mac. You could create files with the same pictures in two kinds of system to compare the file size. Feb 21,  · On the save options, click the dropdown arrow on the Tools button, and choose Save Options. On the Advanced tab, check the Discard editing data option, which will remove the edit history for your file and reduce the size of the file. Also, reduce the default resolution to a smaller size (like 96 ppi) to really reduce the final file. When you don’t need every single pixel in an image to get an acceptable version of it, you can compress pictures to make the file size smaller. With your file open in your Microsoft Office application, select the picture or pictures that you want to compress. Under Picture Tools, on the Format tab, in the Adjust group, click Compress Pictures.
 
 

Compress PPT Presentations Online | Smallpdf

 
Compress your PowerPoint media files to improve playback performance and save disk space. Learn how to reduce PPT file size in this quick video + tutorial. Download our FREE eBook: The Complete Guide to Making Great Presentations. In it. The most common strategy to reduce the size of a PowerPoint file is to compress pictures, video and audio. However, you can also use other.