Notes about the MBB file extension:
Incorrect file associations could be the result of underlying issues within your PC system. As such it is highly recommended to scan your PC for invalid registry entries
, unused processes and other unfavourable system settings to identify slowdown issues.
The MBB file type is primarily associated with 'MannaBook' by MannaBook Software, Inc.. A Word AddInn which permits to save multiple Word documents in one single file.