Windows Cab File Installer
A file with the .CAB file extension is a Windows Cabinet file (they used to be called Diamond files). They're compressed files that store data related to various Windows installations that might involve device drivers or system files.
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The Microsoft Publisher program's Pack and Go feature can make CAB files that end with the PUZ file extension. Within it is everything included with the document, in the same archive format as CAB, so they can be treated just like CAB files.
The InstallShield installer program makes files with the CAB extension, too, but they're unrelated to the Windows Cabinet file format.
At times you may be downloaded update packages for Windows operating system that ends with.cab file extension instead of usual.exe executable or.msi Windows installer file format. The.cab Cabinet file is a compressed archive that cannot be ran or executed directly. Windows has built-in support to open and view.cab archive content, but not outright install the.cab even if it’s intended. Installing MSU Update File in Windows. To start the installation of a Windows update package, just double-click the MSU file you have downloaded. If the update is applicable to this computer, a Windows Update Standalone Installer window will open, where you will be prompted to confirm the update installation.
Click 'Browse my computer for driver software'. Creative zen firmware. Right click and click 'Update driver software'. It may well have a warning sign on. There should be an option of 'mtp device'. Then click 'Let me pick from a list of device drivers on my computer.
Some devices might use the CAB file extension to store firmware files.
How to Open CAB Files
Opening a Windows Cabinet file in Windows will automatically launch the file as an archive so you can see what's inside. Windows essentially treats it as a folder, and does so automatically; you don't need to download a CAB opener for Windows.
However, you can also open or extract CAB files with a file decompression tool. Going this route lets you open CAB files on other operating systems like macOS or Linux. A few free file extractors that work with CAB files include 7-Zip, PeaZip, WinZip, IZArc, The Unarchiver, and cabextract.
If you have a PUZ file that came from Microsoft Publisher, you can open it with any of the file extractors just mentioned. If those programs aren't recognizing the PUZ file extension, either open the file unzip software first and then browse for the PUZ file or change the .PUZ file extension to .CAB and try again.
InstallShield CAB files aren't the same as Windows Cabinet files but they can be extracted with unshield.
Installing CAB Files in Windows
If you have an offline, downloaded Windows update file in the CAB format, another way you can install it is through an elevated Command Prompt. Type this command, replacing the path to the CAB file with the path to the one you're using:
Don't press Enter until you've written the whole command. Regardless of any breaks in the command that you see above, only include spaces until you reach the very end.
You shouldn't use the DISM command to install language packs, but instead the lpksetup.exe tool, like this:
Open the Run dialog box with the Win+Rkeyboard shortcut.
Enter lpksetup (the first letter is a lowercase L).
Select Next.
Wait for the whole process to finish. It might take a while.
You can close out of the Installing display languages screen when the Progress says 'Completed.'
To switch to the new language in Windows 10, open Settings and then navigate to Time & language, then choose the Region and language tab on the left. In older versions of Windows, it's Control Panel > Clock, Language, and Region > Language. Finally, select the language you want to use and follow the directions shown, if any.
How to Convert a CAB File
There aren't any file converter programs we're aware of that can do a clean CAB to MSI conversion. However, you might find help from other InstallShield users in the Flexera Community.
Windows Cab Files Download
WSP files are SharePoint Solution Package files used by Microsoft SharePoint and compressed in the CAB format. You can rename the WSP file to CAB and open it like you'd a Windows Cabinet file.
You can convert CAB to EXE with IExpress Wizard, a tool included in Windows. Open the Run dialog box with the Win+R keyboard shortcut and then type iexpress.
If you need to convert CAB to KDZ to get an Android firmware file in the right format, follow the instructions at BOYCRACKED.
More Information on the CAB Format
Windows might compress a CAB file with DEFLATE (like most ZIP files), Quantum, or LZX since the format supports all three compression algorithms.
Every CAB archive is compressed as a whole instead of each file individually. A CAB archive can hold up to 65,535 CAB-folders, and those folders can contain an equal number of files.
When a CAB file is actually used by an installer, the files contained within it are extracted on an as-needed basis and in the order that they're stored in the CAB file.
A large file can be made into multiple CAB files so long as no more than 15 files span to the next CAB file. This means that you could have up to 15 files in one CAB file that span to the next CAB file in the series, and that one could even have up to 15.
CAB files are recognized by the first four bytes. If you open a CAB file as a text file with a text editor, you'll see 'MSCF' as the very first four letters.
You can make a CAB file with makecab.exe, which is included in Windows. Running a command like this in Command Prompt would compress the file into a CAB archive:
You can read more on the Windows Cabinet file format from Microsoft's Windows Dev Center and Microsoft Cabinet Format pages.
Can You Delete CAB Files?
It might be tempting to delete CAB files from your computer when you see dozens or even hundreds of them in one folder. What's extremely important before deciding this is to understand where the CAB files are and whether or not they're important.
For example, CAB files in the system32 folder should be kept no matter what. Trying to decipher what's important in here can be really confusing, and making a wrong decision could cause problems later on since Windows might need the CAB file you deleted to fix a corrupted file.
However, CAB files that are related to iTunes, DirectX, or some other third-party program can probably be safely deleted without causing system damage, but they might make the program stop workingor prevent certain tasks from running. If the program stops working after deleting the CAB files, just repair it or reinstall it, but chances are that these kinds of CAB files are only temporary.
Due to the nature of what CAB files are, it's common to see them within the setup files of a program. For example, the Microsoft Office installer includes several CAB files, some of them pretty large. If these are removed, it would corrupt the installer and you wouldn't be able to use those setup files to install MS Office.
Some software will dump cab_xxxx files into the C:WindowsTemp folder while installing updates or doing some other system related task. It's completely safe to remove CAB files in this location unless your computer is actively updating or installing software (since they might be being used at that time).
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If you can't delete CAB files because they keeping regenerating (e.g., the C:WindowsLogsCBS folder keeps making LOG and CAB files), try deleting the oldest LOG file there (or all of them) and then remove every CAB file from C:WindowsTemp.
-->A cabinet is a single file, usually with a .cab extension, that stores compressed files in a file library. The cabinet format is an efficient way to package multiple files because compression is performed across file boundaries, which significantly improves the compression ratio.
Windows Cab File Installer Software
Developers can use a cabinet file creation tool such as Makecab.exe to make cabinet files for use with installer packages. The Makecab.exe utility is included in the Windows SDK Components for Windows Installer Developers.
Developers can also use a cabinet file creation tool such as Cabarc.exe to make cabinet files for use with installer packages. This tool writes to the Diamond cabinet structure.
The file keys of the files stored inside of a cabinet file must match the entries in the File column of the File table and the sequence of files in the cabinet must match the file sequence specified in the Sequence column. For more information, see Using Cabinets and Compressed Sources.
Large files can be split between two or more cabinet files. There can be no more than 15 files in any one cabinet file that spans to the next cabinet file. For example, if you have three cabinet files the first cabinet can have 15 files that span to the second cabinet file and the second cabinet file can have 15 files that span to the third cabinet file.
The installer extracts files from a cabinet as they are needed by the installation and installs them in the same order as they are stored in the cabinet file. The space requirements for installing a file stored in a cabinet are no different than for installing an uncompressed file.
A cabinet file can be located inside or outside of the .msi file. Beginning with Windows Installer 5.0 running on Windows 7 or Windows Server 2008 R2 the installer saves any cabinets that are embedded in the .msi file before caching the installation package.
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Windows Installer 4.5 or earlier: To conserve disk space, the installer always removes any cabinets that are embedded in the .msi file before caching the installation package on the user's computer.