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User's guide O&O DiskImage Data comparison with checksums
Data comparison with checksums
Unchanged data resulting from incremental images is saved using checksums by default. Such a file
will be slightly larger. That's why it's enough, when creating the next incremental image, to use an
existing incremental image (with checksums) as the base image. This function is activated by
default. If you save all images in a single folder, you can deactivate this function. Your images will
then take up less space on disk.
Please make sure that the function Use checksums to administer unchanged data
under Drive operation/Imaging options/Advanced is enabled.
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