Its a zip file, so extract it to get ur application
2)First of all backup ur messages if u have some important data because after changing memory u will not able to see ur existing msges.(U can read it by chnaging memory back to phone memory as they still remains in the phone memory).
3)Go to application icon n run it.Only once.Its done. now ur Message mem. is "E:" rather than "C:"
Now last if u want to switch back to the phone memory, do that:
1)Switch of ur cell
2)Remove MMC
3)Switch on the phone without mmc.
4)Now check ur msg. memory its back to phone memory.
5)Now switch of again, insert mmc n switch on again.
