This means that after compression, the picture can look different than before it was compressed.

Note: Compressing a picture to reduce the file size changes the amount of detail retained in the source picture. You can compress all pictures in the file or just the ones that you select. The compression options reduce both the file size and picture dimensions based on how you intend to use the picture, such as viewing on screen or in an email message. You can reduce the file size of a presentation and save disk space by compressing pictures in your document. Under Preserve fidelity when sharing this presentation, select Embed fonts in the file, and then select Embed only the characters used in the presentation.Compress pictures to reduce the presentation size in PowerPoint 2016 for MacĪpplies To: PowerPoint for Office 365 for Mac PowerPoint 2016 for Mac To minimize the file increase, embed only those characters used in the presentation. However, embedded fonts will increase your file size. To make your presentation more sharable with others who don't have the same fonts in their system, it's typical to embed the fonts you use. Reduce the character set of embedded fonts In the Default resolution list, select a resolution that is 150ppi or lower. Make sure that Do not compress images in file is not selected. Note that if you discard editing data, you won't be able to restore the image after you edit it. Select Discard editing data. This option removes stored data that's used to restore the image to its original state after it's been edited. Under Image Size and Quality, do the following: Lowering the default resolution for images also reduces your overall file size. Discarding it means that you can't restore the changes you make, but it will reduce your file size. Under Resolution, select Use default resolution.ĭelete image editing data and lower default resolutionīy default, when you edit an image, the data from the original is retained (to ensure the image can be restored). This option removes the cropped picture data but note that if you delete the cropped picture data, you won't be able to restore it. Make sure that Apply only to this picture is not selected so that the changes you make here will apply to all pictures in the document. Under Compression options, do either of the following: On the Picture Format tab, in the Adjust group, select Compress Pictures.

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