CER file extension

You can open file with CER using special software abopted to do this. In order to open CER file download one of the software.

How to open CER file

CER Icon
File type:
Internet Security Certificate
Category:
Web files

Third-party Certificate Authority (for example VeriSign or Thwate) secuity file that is used for verifying the authenticity of a website. It is installed on a Web server for establishing the validity of a specific website that is hosted on the server. Click the lock icon that is located in the browser window to view the information from CER file.

Similar file formats and extensions.