If you are one of them, please note that the latest version of 7-Zip can make calculating these hash values much easier by adding this entry to file or folder context menu. Some Windows users may want to remove the entry CRC SHA from the context menu. There are also other tools that can help you calculate CRC and SHA value in Windows OS.
Previous versions of 7-Zip also were able to calculate CRC and SHA but the process was not quite straight-forward. This technology was developed by the National Security Agency in 2010 and is widely adopted to determine the integrity of data that is downloaded from the web. To learn more about CRC, please read the Wikipedia’s explanation. CRC or Cyclic Redundancy Check is employed in digital networks for checking accidental changes to data. What is the entry CRC SHA? Can you remove it from the Windows right-click menu? Go on reading and you will know the details. If you point the side arrow, you can find more entries, like CRC-64, SHA-256, SHA-1, and soon. The entry is called CRC SHA.įor example, if you install or update to the version 15.12 of the program and then call out the context menu, you might noticed the entry in this menu. Many Windows users have tried this program and they found a new entry in the context menu. Now bring up the context menu to verify that the CRC SHA entry is gone.ĭo unused context menu entries bother you? Or are you happy to let them be? Tell us your preference in the comments.To free up disk space, you may try some file compression software. You can safely ignore any error dialogs that pop up.
Under the 7-Zip tab, uncheck the box next to CRC SHA and click on the Apply button. To do so, first open 7-Zip File Manager and head to Tools > Options.
If you have no use for the CRC SHA feature, or just prefer to use another dedicated tool to calculate CRC SHA values, you can get rid of this context menu entry. Ohhhh! 7-Zip has an update that adds a context menu for CRC/SHA calculations. Let’s see why this entry appears and how you can get rid of it.ĬRC (Cyclic Redundancy Check) and SHA (Secure Hash Algorithm) are a couple of standard methods used to test the integrity of data transferred over digital networks. Calculating these hash values can help you figure out if the data was corrupted after download. If you have installed or updated to version 15.12 of the file compression software 7-Zip on your Windows machine, you’ll see a new entry called CRC SHA in the context menu for files and folders.
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