ELECTRONIC DEVICE AND CONTROL METHOD THEREFOR

An electronic device includes a memory storing a first data set comprising a first plurality of files; a communicator comprising circuitry; and a processor configured to: identify an amount of files having a size less than a first threshold value among the first plurality of files; based on the identified amount of files and a communication state with a server, determine a size of a unit file to be transmitted to the server; convert the identified files having the size less than the first threshold value into the determined size unit, and generate metadata for the first data set while converting the identified files; and control the communicator to transmit the first data set including the converted files and the metadata for the first data set to the server.