2 File Associations
.CAT File Extension
TIP: Run a free scan for .CAT file extension errors.
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| File Description |
File used by the Windows operating system; specifies that a group of files are from a verifiable source; used for security purposes and contains a digital signature, the catalog version, and an effective date; often used for verifying new software update files.
Windows catalog files help to suppress multiple trust dialog popups for new software component downloads. Since CAT files can identify a trusted source, the user can choose to "Always trust content" from the software distributor. Then, future downloads from the software distributor that use a CAT file are trusted and do not require a trust popup window. |
| Program(s) that open .CAT files |
 Windows |
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| Updated 11/18/2011 |
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| File Description |
Contains a catalog of data from various media types including hard drives, network drives, floppy disks, optical discs (DVDs, CDs, etc.), ZIP and JAZ disks, etc.; used for keeping track of information stored within a collection of media |
| Program(s) that open .CAT files |
 Windows |
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| Sponsored Links |
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| Updated 2006 |
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