.RMBAK File Extension
Registry Mechanic Backup File
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What is an RMBAK file?
Backup file created by Registry Mechanic, a program used for optimizing the Windows registry and computer performance; stores a backup copy of important registry system files before they are modified.
An example RMBAK file is ntuser.dat.rmbak, which is a backup of the user registry file ntuser.dat.
NOTE: PC Tools Registry Mechanic was retired on December 4, 2013. However, past versions of the software are still available for download.