File Extension Library

.CRT File Extension

  • Category: Web Files

What are .CRT files and how to open them?

Can't open .CRT file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .CRT file.

What is a .CRT file extension?

.CRT file extension has been classified as Web Files.

.CRT is Security Certificate

Certificate used by secure websites (beginning with "https://") to verify their authenticity; distributed by companies such as Verisign and Thawte.

Certificate files are automatically recognized by Web browsers when a user visits a secure site. The information stored in the certificate can be viewed by clicking the lock icon within the browser window.

List of all softwares that can open the Security Certificate
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome
Apple Safari
Mozilla Firefox
Google Chrome
Mozilla Firefox

How to fix problems with .CRT files

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