Quick question about file sizes

Discussion in 'Mac Basics and Help' started by Slappi, Apr 19, 2015.

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  1. Slappi, Apr 19, 2015

    Slappi macrumors member

    Joined:
    Jan 31, 2010
    #1
    I was moving my apple photo photos and movie to a usb flash drive today and the files are noticeably smaller. For an example.... A 500mb video transfers to the flash drive as 150mb. All the photos and videos did the same thing.

    Why is this happening? Is the quality being downgraded?

    Thanks!
     
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  2. hallux, Apr 20, 2015

    hallux macrumors 68020

    hallux

    Joined:
    Apr 25, 2012
    #2
    Are you exporting the files or are you copying them using Finder?

    If you're exporting them, the export process is likely compressing them as well.
     
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