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qbx
QuickBooks Accountant Transfer File -
qic
Windows Backup File -
rbf
Retrospect Backup File -
rbf
Windows Installer Rollback File
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rbs
Windows Installer Rollback Script -
rdb
Retrospect Backup Set -
rrr
Registry Mechanic Backup File -
sav
Parallels Desktop Saved State Image File -
sbb
Office Accounting Company Backup File -
sdc
Stardock Central Download Archive