What is the MBU File Extension?

Writer:   |   Revised: November 26, 2018

Microsoft Silver

MBU File Summary

Two known software programs (notably, Sony CAV-M1000ES developed by Sony) are related to the MBU file extension. In addition, they are categorized under two distinct file types, but mainly identified as the Sony CAV-M1000ES Memory Backup File format. Although MBU files are traditionally categorized as Backup Files, they can also be Audio Files.

Windows, Linux, and Mac OS X operating systems can be used to view MBU files. Both desktop and mobile devices enable you to view and (sometimes) edit these files, depending on the software used. The Popularity Rating for MBU files is "Low", which means these files are not ordinarily found on an everyday user's device.

Although there is a lot more to know about MBU files, those are the most important details of these types of files. If you are having trouble opening these files, or would like more detailed information, please see our comprehensive information below.

Low
File Type Popularity
2961
Standing

/ 11690

Active

Relevance

26

November

2018

Edited

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Types of MBU Files

  2 known file types use this extension

Primary MBU File Association

.MBU
File Ext:.mbu
Type:Sony CAV-M1000ES Memory Backup File

MBU file extension is associated with the Sony CAV-M1000ES. Files contain the entire memory of the CAV-M1000ES, including MSS, MSE and MCE files and individual RMRK100 keypad settings.

Author: Sony
Class:Backup Files
Location: HKEY_CLASSES_ROOT\.mbu

Software Programs That Open The Sony CAV-M1000ES Memory Backup File:


Sony CAV-M1000ES by Sony

Windows

Additional MBU Files

.MBU
File Ext:.mbu
Type:Neverwinter Nights Music File

MBU is also associated with Neverwinter Nights, a series of video games developed by BioWare and Obsidian Entertainment.

Author: BioWare
Class:Audio Files

Software Programs That Open Neverwinter Nights Music File Files:


BioWare Neverwinter Nights by BioWare

Compatible with:

Windows
Linux
Mac OS X

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MBU Demand


Operating System Rankings

Windows (82.33%)
Android (11.56%)
iOS (3.43%)
Macintosh (1.71%)
Linux (0.60%)


MBU File Complications


Troubles Opening MBU Files

Sony CAV-M1000ES is Not Installed

You encounter an error message such as "%%os%% Can't Open MBU Files" when trying to open your MBU. Customarily, this means that Sony CAV-M1000ES is not installed on %%os%%. The OS won't know what to do with your MBU file, so double-clicking to load the file doesn't work.


Tip: If you have another software that you know opens MBU files, you can select it by hitting the "Show Apps" button.


Wrong Version of Sony CAV-M1000ES is Installed

Sometimes your installed version of Sony CAV-M1000ES won't support your Sony CAV-M1000ES Memory Backup File file. If you do not have the proper version Sony CAV-M1000ES (or any of the other programs listed above), you may need to try downloading a different version of it, or one of the other software applications listed above. Most of the time your Sony CAV-M1000ES Memory Backup File file was created by a newer Sony CAV-M1000ES than what you have installed.


Tip: You can sometimes get hints about the right program version by right-clicking on the MBU file, selecting "Properties", and looking at the version information.


Conclusion: The majority of MBU file opening issues are due to not having the correct Sony CAV-M1000ES version installed.


Additional MBU Opening Issues

Although you might already have Sony CAV-M1000ES or another MBU-associated software installed on your computer, you can still encounter problems opening Sony CAV-M1000ES Memory Backup File files. If you are continuing to have errors with loading MBU files, other external issues might be to blame. These other problems include (listed in order from most to least common):

  • Invalid MBU file references in the Windows Registry (the "phonebook" of the Windows Operating System)
  • The MBU file description within the Windows Registry was removed
  • Sony CAV-M1000ES or another MBU application experienced a flawed installation
  • MBU file corruption
  • Your MBU is infected with malware
  • Hardware associated with MBU has outdated drivers
  • Windows has inadequate resources to open your Sony CAV-M1000ES Memory Backup File file

Quiz: Which of these is considered a vector image file?








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