PowerPoint presentations can become very large when you are inserting images into the slides. One option you have to get around this problem is to manually convert all the graphics to a more compressed file type such as a JPG.
An even easier method is to have PowerPoint take care of this for you. Once you have your presentation open, click View, point to Toolbars, and place a check beside Pictures. The Picture toolbar will appear in your presentation. On this toolbar there is a button called Compress Pictures. If you click on this button, the Compress Pictures dialog box will appear.
Under the Apply to section, you can select which pictures you want to compress. You can compress selected pictures or you can compress all pictures in the presentation.
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