| File Type |
Security Certificate |
| File Format |
File |
| Common? |
No |
| File Description |
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. |
| Program(s) that open crt files |
Mac / Windows: Referenced by a Web browser |
|
