Hi, i have 10 years experience for data entry in different project. I use different technique i.e OMR Software/Abby flexicapture software to convert data into soft form and in some condition manual type. For 100% accuracy, i type two times and used a software which made by me to 100% accuracy purpose. File can be individual pdf format or may be .jpeg format. All works will be done using software so that data accuracy will be high.