| .adk |
OS/2 saved SKF format |
| .bca |
Allplan backup catalog |
| .spba |
Samsung Kies phone contacts library |
| .zap13 |
TIA Portal V13 to backup PLC project |
| .qcn |
Qualcomm QPST drive backup |
| .smea |
Samsung Kies messages backup |
| .zw1 |
EPLAN project backup |
| .ecbk |
LG PC Suite calendar backup |
| .smsbackup |
ASUS Messaging sms backup |
| .ssn |
Samsung Kies notes backup |
| .snbkp |
S Note note backup |
| .syncdb |
iTunes saved contact database |
| .nbz |
ArcSoft Total Media Backup & Record backup |
| .mscz, |
MuseScore music score backup |
| .uid-zps |
Zoner Photo Studio photo changes autobackup |
| .osbx |
OneSafe exported backup |
| .wbverify |
Microsoft Windows backup information |
| .fxh |
MetaTrader 4 backup |
| .baz |
Acomba Accounting Suite backup |
| .sn3 |
Samsung Kies 2 backup |
| .rkn |
Reckon Accounts Personal Plus backup |
| .vfs4 |
NUVICO EasyNet backup |
| .metadata |
Acronis True Image metadata |
| .moz-backup |
Mozilla backup |