A legal file clerk performs a variety of administrative and clerical duties for a law firm or criminal justice department. Your duties include filing legal documentation, preparing documents for signing, answering telephone calls, and doing legal transcription. Qualifications for the job include a mix of career experience and skills. You need a high school diploma or GED certificate, and postsecondary education will improve your opportunities. Skills gained from prior work in a clerical or administrative role, such as filing, computer proficiency, and written and verbal communication, are all helpful.