CERfile extension

Internet Security Certificate
By N/A

Have trouble opening the .cer extension? Don't panic! This page explains cer files and suggests programs you may use to open cer files. You can download these programs through this page!

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What is CER file?

A CER (Internet Security Certificate) file is a digital security certificate. These files are typically used to secure communication between a web browser and a website and between other online entities.

More information

A CER file contains information that identifies a website or other Internet organization as a trusted source. This information includes the site's name, address, and public key. CER files can be opened only using suitable software.


How to open CER file?

Here are some universal methods of opening a file. Please, use this list of solutions.

Method 1: Correctly fix file association error

By following these steps, the user will be able to fix the cer extension association problem in an instant automatically:

Download Solution

Step 1: Click the "Download Solution" button to download the automatic tool from Appsitory.

Step 2: Now click "Start Scan" to find out all potential problems.

Step 3: Review the resulting scan and click the "Fix Items" option.

Method 2: Download apps that open the cer file

Here is a list of the presented programs that you should use to open/convert the cer file. You can choose the right program for your OS and click on it to start the download. You can also visit the developer's website.

Apps that open CER files

Method 3: Use Universal File Viewer

The recommended use of Universal File Viewer, a tool for opening over 250 file extensions, complements the list of programs above. This utility is capable of opening your cer file. Download Universal File Viewer to your OS quickly and securely.