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Checksums

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A checksum is a sequence of numbers and letters used to check data for errors. If you know the checksum of an original file, you can use a Checksums window to confirm your copy is identical.

Different checksum algorithms produce different results, for example a file will have different MD5, SHA-1, and SHA–256 checksums. If you only know the MD5 sum of an original file, you must compare your copy’s MD5 sum to check if it’s a match.