purpose of spread sheet import module in openmrs

hello, i have been been a task as an openmrs system admin,and i am currenlty trying to learn how to use different modules i then came across spread sheet import module, so i wana know its uses,applications, can it be used to migrate data from paper or manual records and import it into openmrs? and i would also like to know if there is anyway i can use to write the patient charts from the manual records and import them into the openmrs and if it would be possible to merge the files together…