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If you have the "checksum" (SHA-256) provided by the sender, you can verify the file hasn't been tampered with.

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Are you trying to or identify what the hash represents ? Command Line Version User's Guide - 7-Zip Documentation If you have the "checksum" (SHA-256) provided by

If prompted for a , you will need to obtain it from the original source of the file. 🛡️ Safety and Verification a specific website

(e.g., a specific website, email, or local folder)? What operating system are you using (Windows, Mac, Linux)?