How to Reduce Powerpoint File Size


This wikiHow teaches you how to lower a PowerPoint presentation file's size by compressing its images on a Windows or Mac computer, or by clearing the editing data on a Windows computer. There is currently no option to delete the editing data of PowerPoint presentations on a Mac.

Part 1
Compressing Images on Windows

Compressing Images on Windows on How to Reduce Powerpoint File Size

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Doing so will open the Format tab at the top of the PowerPoint window. If your PowerPoint file isn't yet open, first open it by double-clicking it. It doesn't matter which picture you double-click, since all of them will open the appropriate tab.

Compressing Images on Windows on How to Reduce Powerpoint File Size

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This option is just below the Transitions tab. Clicking it will invoke a pop-up window.

Compressing Images on Windows on How to Reduce Powerpoint File Size

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It's the first option at the top of the Compress Pictures window. Disabling this option will ensure that all pictures in your presentation are compressed.[1]

Compressing Images on Windows on How to Reduce Powerpoint File Size

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This option is near the bottom of the Compress Pictures window.

Compressing Images on Windows on How to Reduce Powerpoint File Size

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Doing so will apply the compression settings to all images in your PowerPoint file, thereby reducing its overall size.

Part 2
Compressing Images on Mac

Compressing Images on Mac on How to Reduce Powerpoint File Size

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This menu item is in the far-left corner of your Mac's menu bar at the top of the screen.[2] If your PowerPoint file isn't yet open, first open it by double-clicking it.

Compressing Images on Mac on How to Reduce Powerpoint File Size

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It's toward the bottom of the drop-down menu.

Compressing Images on Mac on How to Reduce Powerpoint File Size

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Doing so will invoke a drop-down menu.

Compressing Images on Mac on How to Reduce Powerpoint File Size

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This option will reduce the quality of all images in your PowerPoint file to 96 ppi, which is a generally lower resolution than most images' defaults.

Compressing Images on Mac on How to Reduce Powerpoint File Size

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Doing so will ensure that any unused data will be removed from your presentation.

Compressing Images on Mac on How to Reduce Powerpoint File Size

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This option applies your changes to every image in the presentation.

Compressing Images on Mac on How to Reduce Powerpoint File Size

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This will drastically lower your PowerPoint file's size.

Part 3
Removing Edit Data on Windows

Removing Edit Data on Windows on How to Reduce Powerpoint File Size

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It's on the far-left side of the PowerPoint window's top row of options. If your PowerPoint file isn't yet open, first open it by double-clicking it.

Removing Edit Data on Windows on How to Reduce Powerpoint File Size

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This tab is at the bottom of the list of options on the left side of the window.

Removing Edit Data on Windows on How to Reduce Powerpoint File Size

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You'll see this option near the middle of the left-hand column of options.

Removing Edit Data on Windows on How to Reduce Powerpoint File Size

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It's below the "Image Size and Quality" heading, which is about halfway down the window. This option removes excess information from your PowerPoint presentation.

Removing Edit Data on Windows on How to Reduce Powerpoint File Size

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This button is at the bottom of the window.

Removing Edit Data on Windows on How to Reduce Powerpoint File Size

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It's the square in the top-left corner of the screen. Doing so will save your changes and apply the "discard editing data" changes to your presentation, which may lower the overall file size.