Enlarge Image in Slide Show, Retaining Quality
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PowerPoint Heaven
2005

Abstract:

Often when doing a presentation, you may want to enlarge an image using Emphasis: Grow effect in PowerPoint 2002/XP and above. You probably want to show a clearer view of a photograph. But enlarging with the Grow effect often ends up getting the image blurry/jagged. Now it looks ugly, you wouldn't want to show others an enlarged but poor quality picture, do you? When inserting the image, have it at the enlarged size. If you shrink the image and then enlarge it again, the quality will retain. But how do you shrink an image without the audience knowing? See the steps below.