.CAB is the file extension that refers to Cabinet archive files. These are compressed file archives that can store large chunks of data in an efficient compressed format. Usually such CABinet files are part of software distribution packages hence the compression enabling to distribute the software with less storage requirements.
The file supports lossless compression and can also allow to store digital certifications for authenticity verification. On the Windows platform, these are also sometimes referred to as diamond archives. The file supports directory format, hence the CAB file can have several CAB folder which can store individual files themselves.
| File type | Windows Cabinet Compressed Archive |
| Developer | Microsoft |
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While searching for an answer to the question - How to open the CAB file? - you probably found websites, which offer software that was able to open any file extension. Do not be fooled, there is no one program that will allow you to work with any file extension, including the CAB file. Each program contains a different type of data and you need specialized software to properly work with the CAB file. Here is a list of programs that are designed to work with the CAB file - remember, these applications are able to open at most a few file extensions, they are designed to work with a specific data type.
If after installing the program from a list, you still cannot open a file with the CAB extension, the reason may be that the file is damaged. The solution may be to find a new copy of the CAB file you want to open
In this case, the easiest way is to use the tool built into the operating system for association of the CAB file with applications to support it. Double click on the file you cannot open - the operating system will display a list of programs that are likely to work with your CAB file. Choose one of them, or select the location on a disk where you installed one of the applications from our list. Windows should then open the CAB file using the program installed earlier.
Entries containing links of the CAB file extensions with applications is located in the HKEY_CLASSES_ROOT. If you do not know how to get to the Windows Registry, or how to make changes in it, ask a specialist for help. Lack of knowledge on the subject may cause irreversible changes on your computer.
There may be a situation when a computer virus passes itself off as the CAB file. In this case, such a file will definitely not be opened. Download a good antivirus program and scan the CAB file mentioned. If the antivirus application detects malicious data, it may signify that the CAB file is infected.
| CANF | CanOpener |
| CACTION | Apple Mac OS X Automator Conversion Action Format |
| CATPROCESS | CATIA Process |
| CA2 | Delphi Install Disk12 |
| CA4 | Delphi Installation |
| CAF | Apple Core Audio Format |
| CAJ | China Academic Journals Full-text Database |
| CATSETTINGS | CATIA Settings |
| CAPROJ | Construct Game Project Format |
| CAPX | Construct Game Project Archive Format |
