File extension .MSU
| Full Name | Developer | Category |
|---|---|---|
| Microsoft Update Standalone Package Format | Microsoft | Misc Files |
The MSU (Windows Vista Update Package) file extension is associated with Microsoft Windows Vista Operating System update package. It is a Microsoft Cabinet archive format containing Windows Installer packages. Microsoft Cabinet is an archive format developed by Microsoft to compress and store multiple files into a single file. MSU package contains the installation packages for Windows Vista. It can include Windows operating system updates, driver updates, feature updates, hotfixes, and other upgrades bundles.
Details
MSU files are used to deliver updates over the Internet or though a network connection. It is a standard Cabinet archive with additional control information and is compressed using zlib compression algorithm. MSU files can be opened with Microsoft Windows File Compression. It is also possible to open the files with any ZIP application as the file structure is the same as ZIP file. After extracting the package contains a.cab file which can be opened with Microsoft Windows File Compression. Other similar file extensions to MSU include: .CAB, .exe, .msp, .msi.
Programs for WINDOWS system
After installing the required software, the operating system will usually automatically associate an unknown file type (in this case .MSU) with the new application. If this does not happen, we can help the system a bit by selecting the software for it, which it should always use to open files with the .MSU extension.
When choosing the software we can select the system to use this software every time.
Remember!
Using it for the first time it is good to check whether the .MSU file opened in the application can be read by us and opens in a way that allows us to use it. If everything is in order, select this option the next time you open a file with the .MSU extension. However, if the file has not opened correctly, we have to look for a different software, with which we can open files with the .MSU extension. Select a different software from our list and install it on your computer. After the software is installed, repeat inspection openings of a .MSU file. Sometimes you have to repeat the operation several times.
Other instructions
If none of the programs listed by us to work with the .MSU file has not meet your expectations, you can try searching other websites. But remember to avoid downloading programs "that can open any file". These applications not only have very limited functionality, but may also expose you to expense tens of dollars when purchasing a license.
In the vast majority of cases you will find the program dedicated to support the .MSU file, or any other file format. In addition, there is a chance that it will be a free program, and its functionality (concerning the .MSU file) will be extended to the maximum.
It is also good to check
- if the .MSU file has no errors
- or if it has been copied (or downloaded by the browser) thoroughly
Author’s guidelines
Mr B. Adam
Author of the guidelines / Founder of FileExtension.info
New technologies enthusiast, helping to solve problems with the files.
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