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Open .CAT file Extension

File Type : Unknown Apple II File (found on Golden Orchard Apple II CD Rom)

Compatible with: (Mac OSX 7, 8, 9, 10, 11, 12)

Searching for a program to open .CAT files?
The error "There is no application set to open the document." is a common problem faced by millions of Mac users daily. This happens either because the required app to open that file does not exist or there might be some malicious apps tempering your Mac

.CA

ExtensionSmallImg What is .CAT file?

File used by the Mac 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. Mac 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 mac.

Recommended Software Programs to open .CAT file

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Microsoft Windows:
  • Microsoft Windows