.CAV File Extension

Comodo Group
File Type:
Comodo Virus Definitions File

Having trouble opening .cav extension? Don't panic! This page explains what cav files are as well as suggests programs you may use to open cav files. You can download these programs through this page.

What is a CAV file?

Cav file extension has Comodo Virus Definitions file type, developed by Comodo Group, which is associated with the "data files" category.

Comodo Internet Security is free antivirus that protects PCs from various threats and malware. It uses .CAV files that contain signatures for recognizing viruses. When new viruses are discovered and added to the antivirus database, CAV files serve as update conductors. CAV files usually use the name bases.cav; you can find them in the "scanners" directory of the program.   

To learn how you can open the given file, read the information below.

cav file icon
Comodo Group
File Type:
Comodo Virus Definitions File
Data Files

How to open CAV file?

Double click the cav file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .cav extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the cav extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the cav file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open CAV files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the cav file as well. Download Universal File Viewer for your OS.

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