I have done previous data entry work . Forms, applications or company files and enter the information into computer system databases or applications for business use. Some positions deal mostly with typing, such as word processing or computerized customer files. People in these jobs handle letters, documents and mailing lists. Other positions may feature heavy emphasis on numerical data entry, such as accounting, banking and mortgage or loan information. Data entry operators may work in many fields, including marketing, accounting, human resources or healthcare, and many work hours are spent seated at a computer in any case.