How to open CERT files on your device

If an error occurs when you try to open CERT file on your device, you should do two things – install appropriate software and associate CERT files with this software. If this does not solve the problem, then the cause may be different – you will find more details in this article.

CERT File Extension

File
  • File type Netscape Certificate Index
  • File developer AOL Inc.
  • File category Web Files
  • File popularity rating
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What is a(n) CERT file?

CERT files were used by a web browser called Netscape. They were used to save the certificate indexes in the browser. The CERT extension is no longer used, as is Netscape, which has been replaced by Mozilla Firefox.

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How to open CERT file?

There can be various causes of problems that can arise when opening opening .CERT files. Each problem requires a different approach, but most can be solved by following he instructions below.

Step 1. Install a program that supports CERT files

In order to open CERT file an appropriate program that supports this file format must be installed on the system. Below is the list of programs that support files with CERT extension.

Programs that can open CERT files

Download installer for given application and launch it. After the installation has been completed, CERT files should be opened with installed application by default next time you try to open this type of file.

Remember!

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Not all listed applications will be capable of performing all operations on CERT files. Some applications may only be capable of opening such file and viewing its contents while the purpose of others may be converting files to other file formats. Therefore you should check beforehand the capabilities of applications in relation to CERT files.

Step 2. Associate given software with CERT files

A situation can arise where user has an appropriate application supporting CERT files installed on their system, but such application is not associated with this type of files. In order to associate given application with CERT files user should open a file submenu by right-clicking the file icon and selecting "Open with" option. System will display a list of suggested programs that can be used to open CERT files. Select appropriate option and check "Always use selected application to open this kind of files". System will save this information from now on use selected program to open CERT files.

When the above-mentioned solutions fail, other options must be pursued. It is possible that the CERT file in question is corrupted or damage. The most common causes of file damage are:

  1. File with CERT extension is incomplete (for example, file has not been downloaded completely from the internet or not copied properly from source)
  2. File data is corrupted
  3. Damaged or corrupted storage medium on which the CERT file is stored
  4. File icon does not represent the original file but is only a shortcut to the location where the CERT file was saved and then deleted
  5. User account is not privileged to perform operations on CERT files. In that case it is advised to contact the system administrator or an IT expert

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