Compress PowerPoints
Compressing a PowerPoint will reduce the file size. Please note - This will only work if you have media in your PowerPoint.
Step 1
Open up the PowerPoint you would like to compress.
Step 2
Go to File.
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Step 3
Go to Info.
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Step 4
Click Compress Media.
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Step 5
Click Low quality or Standard (480p).
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Step 6
Save your document before you exit.