Do you still need files if you don't work within the system?

Personal file is a document that records a person's main experience, political outlook, moral style and other personal circumstances, and plays the role of voucher, basis and reference. Individuals need to use files to become full members, apply for professional titles, apply for endowment insurance, and issue relevant certificates such as postgraduate entrance examination. Moreover, with the development of personnel services, the role of personnel files will become more and more important.