EOS 5D Mark IV: Moving files from one card to another

If you are moving (Image Copy) files from one memory card to another, you should check the size of your files. For still images you will face no issues, but if you are moving movie files, especially 4K clips, they may be larger than 4GB in size. The card you are using in the camera will have been formatted to exFAT so files can be bigger than 4GB, but if the card you are copying to is formatted as FAT32, you will be unable to copy those large files across. By formatting the card you wish to copy to in the camera, you will convert it to exFAT and then be able to copy files freely from card to card.
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