.cer
File Type |
Internet Security Certificate |
File Format |
Standard |
Usage |
Referenced by an application; not meant to be opened manually |
Popularity |
★ ★ ★ ★ ★ Popular |
Description |
Security file provided by a third party such as VeriSign or Thwate that confirms the authenticity of a Web site; installed on a Web server (such as Apache or Windows Advanced Server) to authenticate the validity of a certain website hosted on the server; represented by a lock icon near the edge of a browser window when accessing a secure site (beginning with "https://").
The information from a secure certificate can be viewed by double-clicking the lock icon located near the bottom of a browser window in Internet Explorer or Firefox; to view the certificate information in Safari, click the lock icon near the top-right corner of a browser window.
|
Open With |
Windows |
Microsoft Edge
Google Chrome
Mozilla Firefox
|
macOS |
Apple Safari
Google Chrome
Mozilla Firefox
|
|
Updated |
2007 |
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