.MSU File Extension
- Developer by: Microsoft
- Category: Misc Files
- Format: Binary
What are .MSU files and how to open them?
Can't open .MSU file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .MSU file.What is a .MSU file extension?
.MSU file extension is created by Microsoft. .MSU has been classified as Misc Files. The format of .MSU file is Binary.
.MSU is Windows Vista Update Package
Update file used by Windows Update, an application included with Windows Vista, Windows 7, and Windows Server; contains updates for applications and files; installed by the Windows Update Stand-alone Installer (Wusa.exe), which is run by Windows Update automatically (the user generally does not need to manually install MSU files).
Each MSU file contains four elements:
You can manually extract the contents of an MSU file at the Windows command prompt by typing:
expand -f:* "example.msu" output_directory
You can then manually install the update package by typing the following command:
pkgmgr.exe /n:output_directory\example.xml
(example.msu and example.xml have the same filename prefix).
NOTE: Earlier versions of the Windows operating system used .MSI files for updates.
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