.BM3 File Extension
File TypeSony Ericsson Backup File
What is a BM3 file?
Mobile phone backup file created by Sony Ericsson PC Suite, a program used for syncing mobile data with the PC; saves contacts, messages, notes, and other data on the phone; can be used to restore the phone's state.
NOTE: BM3 files are actually .ZIP files. However, the files within the Zip container are encrypted and are not viewable.