Home : File Types : CRT File

.CRT File Extension

File TypeSecurity Certificate

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CategoryWeb Files


File format categories include Binary, Text, XML, and Zip. The format of this file type has not been determined.

What is a CRT file?

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

More Information

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.

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Programs that open CRT files
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome
Other Web browser
Apple Safari
Mozilla Firefox
Google Chrome
Other Web browser
Mozilla Firefox
Other Web browser
Updated 6/13/2009

.CRT Extension Information

This page contains information about the file extension CRT and its known file associations. Our goal is to help you understand what a *.crt file is and how to open it.

The Security Certificate file type, file format description, and programs listed on this page have been individually researched and verified by the FileInfo team. We strive for 100% accuracy and do not publish any information we have not verified.

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