Full data backup from C Drive to external USB driver by using Robocopy

robocopy /s /z /xj /V /R:0 /W:0 /copy:DT C:\ D:\backups\c\

Reference:

https://dylanbeattie.net/2021/11/12/copying-your-hard-drive-with-robocopy.html

https://community.spiceworks.com/topic/2344362-robocopy-get-access-denied-error

https://pureinfotech.com/robocopy-recover-and-skip-files-with-errors-from-bad-hard-drive-in-windows/

https://learn.microsoft.com/en-us/answers/questions/47437/robocopy-everything-to-another-drive

https://copyprogramming.com/howto/robocopy-everything-to-another-drive