Double-click to open the PPT that needs to be reduced, click the file and save as, as shown below.

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Click the tool on the right side of the Save As dialog box, and then click Compress Picture, as shown below.

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In the compressed picture menu, select the web/ Screen (W) line, select the compressed picture and delete the clipping area of the picture, and then confirm. The following figure

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Then save and replace the original text, the key point is, as shown below.

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Step 4, the PPT will be smaller, and the attribute will be above 30 m. If there are many pictures in the PPT, it will be compressed even smaller, as small as several hundred KB.

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