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Why can I open a graphic file in an editing program and change the resolution from 72 dpi to 400 dpi if thats what is required?

April 26, 2017DPI editing file graphic program resolution

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Why can I open a graphic file in an editing program and change the resolution from 72 dpi to 400 dpi if thats what is required?

1 Answer

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10 Posted

When an image starts as a low resolution (72 dpi) file it contains much less detail and sharpness than if it were originally a high resolution file. Changing the physical number of the resolution of the low resolution file will not add quality, detail or sharpness which is not there.