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.QBMB File Extension

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File TypeQuickBooks Backup File

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Rare Uncommon Average Common Very Common
CategoryBackup Files


This file is saved in a binary format, which requires a specific program to read its contents.


Company backup data file created by Mac versions of QuickBooks small business accounting software; contains the backup copy of a company data file, which may have a .QB2012, .QB2011, etc. extension; used for restoring a recent copy of the original data file in the event it becomes corrupted.

More Information

To restore a QBMB file to a company data file, you can rename its extension to the extension of the original data file. For example, if the QBMB file is a backup of a QB2012 file, you can rename its extension to ".qb2012" to restore the company information.

Programs that open QBMB files
Intuit QuickBooks Pro 2015
Intuit QuickBooks for Mac 2015
Updated 11/15/2011

FileInfo - The File Extensions Database

This page contains information about the .QBMB extension and its known file associations. Our goal is to help you understand what a QBMB file is and how to open it.

The QuickBooks Backup file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and therefore do not publish any information we have not verified.

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