The File Extensions Database

.BM3 File Extension

  • Developer by: Sony Ericsson
  • Category: Backup Files
  • Format: Zip

What is an .BM3 file?

.BM3 is Sony Ericsson Backup 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.

Programs that open Sony Ericsson Backup File
Sony Ericsson PC Suite

How to solve problems with BM3 files

  • Associate the BM3 file extension with the correct application. On :
    Windows: Right click on any BM3 file and then click "Open with" > "Choose another app". Now select another program and check the box "Always use this app to open *.BM3 files". Mac: Right click (or Ctrl-click) the BM3 file, then click "Open with" > "Other...". Then choose another program and check the "Always Open With" box. Linux: Right click on the file, and select "Open with" and choose another program. iPhone: Tap the file. If you do not see an app to open the file, then tap Share "Share" and choose an app. Alternatively, save the file. Then open the Files app Files app. There long-press on the file, then release your finger. You will see a black menu bar. Then tap "Share" and select an app. Android: Tap the Settings icon on your smartphone, then tap on the Apps section. There tap the Options icon in the top right-hand corner of the screen to change the default apps.
  • Update your software that should actually open .BM3 is Sony Ericsson Backup File. Because only the current version supports the latest BM3 file format. Search, therefore, e.g. on the Sony Ericsson manufacturer website after an available .BM3 is Sony Ericsson Backup File update.
  • To make sure that your BM3 file is not corrupted or virus-infected, get the file again and scan it with antivirus software.