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What is the average compression ratio for data transmitted?

April 26, 2017average compression Data ratio

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What is the average compression ratio for data transmitted?

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All backup files are compressed and encrypted before uploading to the backup server. The average compression ratio for text-based file is around 4:1. However, no further compression can be made on files that are already in compressed format (e.g. JPG, ZIP). In general, you can assume a 2:1 compression ratio when you are backing up a file set with variety types.