.msu
File Type |
Windows Vista Update Package |
File Format |
Proprietary (Microsoft) |
Usage |
Runs when opened |
Popularity |
★ ★ ★ ☆ ☆ Average |
Description |
Update file used by Windows Update for updating programs and files in Windows Vista and Windows Server 2008; installed by the Windows Update Stand-alone Installer, which is run by Windows Update.
Each MSU file contains four elements:
- Windows Update metadata that describes each update package
- One or more .CAB files that contain the update data
- An .XML file that describes the contents of the MSU file
- A properties file read by Wusa.exe
Important: Previous versions of the Windows operating system used .MSI files for Windows updates.
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Open With |
Windows |
Microsoft Windows Update
7-Zip
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Updated |
August 22, 2008 |
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