Large Files - Do they contain graphic(s)?

[WilWolitski]

JPG is the preferred graphic file type primarily for its compression capabilities, but people continue to insert other large graphic types, primarily from digital cameras and scanners, creating huge MS Office files.
Do you know of a utility that can scan multiple files to determine if they contain a graphic object other than JPG format? [tt]Be a lateral thinker![/tt]

If you always do, what you always did​

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[tt]Think outside the box[/tt]

You'll always get, what you always got!!​