There is provided an electronic device capable of automatically unlocking a lock of an external storage device using a password without adding a function to the external storage device. An electronic device 100 includes a memory card connection unit 108 connecting a memory card 200 capable of being locked using the password, a password retention unit 101 retaining the password of the memory card 200, a lock state determination unit 106 determining whether or not the memory card 200 connected to the memory card connection unit 108 is in a locked state, and a setting cancellation unit 105 transmitting an unlocking signal for unlocking the locked state of the memory card 200 on the basis of the password when it is determined that the memory card 200 is in the locked state.