How to open file with CER extension?

Basic information about CER file

File CER is one of the files of the Web Files category. Its full name is Internet Security Certificate . File format CER was created by N/A. If you arrived here, you are probably looking for programs that will help you support this particular file extension. In the further part of this page you will find a list of programs that support file CER sorted by operating systems. If our database contains information about converting a CER file, you will definitely find it here.
CER file description

CER file is an internet security file associated with websites. The main purpose of such files is to provide the user with authentication and identification of the website itself along with the verification of the security of the website. These CER files are created by a security certificate authority which is generally a third party.

These certificates also tell about the security level of a specific website. Any person visiting the website is given certificate and the web browser checks that certificate. In case the certificate is expired or does not exist a warning is shown to the about the possible threats.

Tags: CER extension, how to open CER file, how to convert CER file, open CER file

Programs that support CER file

Programs for Mac OS system
Programs for Linux system
We hope we helped you solve the problem with the CER file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.
This site should help you to find the answers for the specific ones or similar to those questions:

  • How to open a file with the CER extension?
  • How can I convert a CER file to a different format ?
  • What is the CER file format extension?
  • What programs support the CER file?

If after viewing the stuff on this site, you have still not received a satisfactory answer to any of the above questions, this means that the information regarding the CER file presented here is not complete. Contact us using the contact form and write what information you have not found here .

What else may cause problems?
There can be more reasons which determine that you are not able to open the CER file (apart from the lack of the proper application installed).
First - the CER file may be incorrectly linked (associated) with the application installed to support it. In this case, you need to change this link by yourself. To do this, right-click on the CER file # that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the CER file should be solved forever.
Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version, or download it again from the same source as before (maybe for some reason in the previous session the download of the CER file has not been completed and it cannot be opened properly).
If you have additional information about the CER file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on CER file.