When you want to reduce your ppt size, you may very well reduce the size of your files. With PowerPoint images, you will make the file size of your presentations quite large, particularly when did embed high-resolution photos and images. To compress the file size of your PowerPoint presentation, you may begin to optimize your photos and images.

To do so, follow these steps to reduce the size of your photos and images: (For Windows/Microsoft PowerPoint ’10, ’13, and ’16)

  1. First, open the PowerPoint file
  2. Choose a slide that’s containing a picture or image
  3. Select the picture or image
  4. At your screen’s top, click on the “Picture Tools” ribbon
  5. Click on the “Format” subribbon
  6. Click on “Compress Pictures”
  7. Select the checkbox option to Delete cropped areas of pictures to decrease the overall size of the picture or image in your presentation
  8. Choose “Email output (96 ppi)” to decrease the PowerPoint size
  9. Uncheck “Apply to this picture only” when you want every picture in your presentation compressed for a smaller file
  10. Then click OK. This application is great for education programs that must reduce image size for reading programs

In practically every case, 96 ppi will be the best option. This selection will decrease the file size of your images and there’ll be hardly any difference of a slide’s screen output at 96, 150, or 220 ppi. Making the pictures smaller is often used in online learning programs.
Now the steps to reduce image size for Mac (Microsoft PowerPoint ’16)

  1. First, open the PowerPoint file
  2. Choose a slide that’s containing a picture or an image
  3. Select the picture or image
  4. At your screen’s top, click on the “Format Picture” ribbon
  5. Click on “Compress” (found to the right of the icon “Transparency”)
  6. Click on the “Picture Quality” drop-down and select “Best for Sending in Email (96 ppi)”
  7. Select the checkbox to “Delete Cropped Areas of Pictures” to decrease the image’s overall size in  the presentation
  8. In this file, “Apply to all pictures” is default and recommended for all smaller files, but in case you want to decrease the current image or picture, you’ll have to uncheck that
  9. Then click OK