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How to Reduce the Image Size in PowerPoint

Updated November 22, 2017

Adding images to PowerPoint files adds to the visual appeal of the presentation, and many authors include images in a variety of formats. Images (including both photos and custom graphics like imported clip art) come in varying file sizes, and can collectively add a significant amount to the size of the PowerPoint file. In these cases, it is useful to reduce the file size of multiple or individual images by compressing the images within the PowerPoint file itself.

Click the image requiring file size reduction. The "Format" ribbon appears, providing a variety of image editing options.

Click the "Compress Pictures" button in the left-hand corner of the screen. The "Compress Pictures" dialogue appears.

Click "Options." Verify that the selected compression options are appropriate. Under the "Target Output" options, select the appropriate PPI (pixels per inch) setting. The lower the value selected, the lower the file size of the resulting image will be.

Click "OK" on the "Compression Settings" dialogue. To make the compression settings changes on only the selected file, check the box marked "Apply to selected pictures only." To compress all of the images in the PowerPoint file, leave the box unchecked.

Click "OK." Press "Ctrl + S" on the keyboard to save the PowerPoint file.

Tip

Right-click on your PowerPoint file and select "Properties" (on Windows) or "Get Info" (on a Mac) to view the total file size.

Warning

Saving the PowerPoint file after selecting the "Delete cropped areas of pictures" option will make all image cropping selections in the presentation permanent.

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About the Author

Jaime Vazquez has been writing since 2000 about technology, geek culture, music and nightlife. His work has appeared in print publications such as "TimeOut Chicago" and "O, The Oprah Magazine," as well as online for sites such as DrPhil, the Northwest Evaluation Association and MetroMix. Vazquez graduated from the University of Michigan with a Bachelor of Arts in American culture.