File Extension Library

.CAT File Extension

  • Developer by: Microsoft
  • Category: System Files
  • Format: Binary

What is an .CAT file?

.CAT file extension is created by Microsoft. .CAT has been classified as System Files. The format of .CAT file is Binary.

.CAT is Windows Catalog File

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.

List of all softwares that can open the Windows Catalog File
Microsoft Windows
File Type 2 Advanced Disk Catalog Database
Developer by: Elcomsoft Category: Database Files

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

List of all softwares that can open the Advanced Disk Catalog Database
Elcomsoft Advanced Disk Catalog

How to Open .CAT file on different platforms

Open .CAT File on Windows

  • Right-click a .CAT
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .CAT file and Select check box "Always use this app to open .CAT files" Press "Ok"

Open .CAT File on Mac

  • Right-click (or Ctrl + Left-click) the .CAT file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .CAT File on Linux

Right click on the .CAT file, choose "Open with" and select a program from the list above

Open .CAT File on iPhone

Select a file. If you don't see an application to open the .CAT file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .CAT File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .CAT files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .CAT files

  1. You need to update the application that you normally use to open .CAT files. Only the latest version of the software supports the current .CAT file format
  2. You need to check the .CAT file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)