File Extension Database

Open CAT File

In the world of digital files, various file extensions serve specific purposes. One such file extension is the CAT file, which can be associated with multiple applications, and can be opened and used in different ways. In this article, we will discuss the possible formats and ways to open and use files with a CAT file extension, as well as provide relevant websites for further information.

Microsoft Security Catalog

CAT files are commonly associated with Microsoft Security Catalog files. Catering to the Windows operating system, these files contain digital signatures for system files and device drivers. By storing these signatures, CAT files enable the operating system to verify the authenticity and integrity of these crucial files. Security Catalog files are created using Microsoft's SignTool, a command-line tool that digitally signs files, verifies signatures, and timestamps them, enhancing system security. For more details on SignTool, you can refer to the official Microsoft documentation.

Opening Microsoft Security Catalog Files

Microsoft Security Catalog files can be opened and viewed using the Windows built-in Catalog Editor. This utility allows you to view the contents of a CAT file and its associated properties. To open a CAT file with Catalog Editor:

  1. Right-click on the CAT file.
  2. Select 'Open With' from the context menu.
  3. Choose 'Catalog Editor' from the list of available applications.
  4. If 'Catalog Editor' is not listed, click 'Choose another app', browse to the system32 folder, and select makecat.exe.

STK Satellite Ephemeris Data

In addition to Microsoft Security Catalog, CAT files may also refer to STK Satellite Ephemeris Data files, which are used by the Systems Tool Kit (STK) software. STK is a powerful application used for modeling, analyzing, and visualizing complex systems in space, aviation, and defense industries. Satellite Ephemeris Data files are essential in providing crucial satellite positioning, orbit information, and other relevant data. The official AGI website offers more information on the Systems Tool Kit software.

Opening STK Satellite Ephemeris Data Files

To open and use STK Satellite Ephemeris Data files, you will need the Systems Tool Kit (STK) software installed on your computer. Once the software is available, follow these steps:

  1. Launch the STK application.
  2. From the main menu, click 'File', then choose 'Open'.
  3. Browse to the location of the CAT file, select it and click 'Open'.
  4. The CAT file will be imported and displayed in the STK application.

CAT File Important Information

As mentioned earlier, CAT files can represent different types of data, depending on their associated applications. While their formats differ, it is important to understand the function and purpose of the specific CAT file with which you are working. Opening and using a CAT file should always be done with caution, ensuring that the correct software and context are in place. Remember to refer to the resources provided in this article for additional guidance on opening and using CAT files.

Typical CAT application file locations:

  • %SystemRoot%\system32\rundll32.exe cryptext.dll
  • C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCAT %1

Typical CAT mime types:

  • CryptExtOpenCAT %1
  • application/vnd.ms-pki.seccat

Frequently associated Windows objects:

  • CATFile

How Can I Open CAT File on Windows

How Can I Open CAT File on Mac OS

How Can I Open CAT File on Android

If you downloaded a CAT file on Android device you can open it by following steps below:

How to Open CAT File on iPhone or iPad

To open CAT File on iOS device follow steps below:

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CAT file article translations

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