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Microsoft Update Standalone Package
File type: Archive and compressed file
Files with msu file extension can be most often found as installation packages for Windows Update. Opening these files will result in opening of Windows Update service and installation of its content.
Found 2 different file type records with the same msu filename suffix.
File type category:
Archive and compressed file
Date updated: December 31, 2024
msu file extension is mainly used for files that contain Microsoft Update Standalone Package.
These files are typically used in Windows Vista and later to install updates and hotfixes through Windows Update service.
MSU archive contains:
If you double click (open) on *.msu file, the installer will automatically start the update. Also you can use expand and pkgmgr commands in the command prompt.
There is no reason to convert .msu files to other formats and it is not even possible.
Software applications that can open msu files:
Microsoft Windows
Software applications that handle other tasks involving msu files:
File type category:
Various data file
Date updated: August 8, 2018
Record marked as obsolete and not updated for a long time.
The msu file extension is associated with Blaise, a computer-assisted survey processing and interviewing system, created by Statistics Netherlands. The MSU file stores some kind of data used by Blaise.
The Blaise software seems no longer developed and supported.
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