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what does this message mean?

i ge this message every time i tryo to delete an email in my verizon account" Errors have been detected in(says the file name i wont share it on the internet but it the email). Quit outlook and all mail-enabled applications and then use the inbox repair tool to diagnose and repair errors in the file." I dont have an inbox repair tool and the help button doesnt help WHATS GOING ON?

Its done so get a technician 2 fix it