A cert file extension is related to the Netscape Navigator, an internet browsing suite. A cert file contains certificate index.

There are 2 other file types using
the CERT file extension!

cert file icon.cert - Open Virtual Machine Format certificate

cert file icon.cert - Keychain Access file

Detailed description

Software that works with cert file extension

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CERT file extension - Netscape certificate index file

What is cert file? How to open cert files?

File type specification:

Internet related file type icon Internet related file type

The cert file extension is associated with the Netscape Navigator (also known simply Netscape or Netscape Browser) Internet browser.

The cert file contains Netscape certificate index.

Netscape Navigator is obsolete product.

The successor of Netscape Navigator is Mozilla Firefox and Seamonkey.

This cert file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to cert file type:

Netscape Navigator icon

AOL Inc. logo Netscape Navigator  Microsoft Windows software

Company or developer:
  AOL Inc.

Netscape Navigator was multi-platform web browser popular in the 1990's. The project was discontinued in 2007. The last versions of Navigator was based on Firefox Gecko core.

Help how to open CERT files:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert file with extension CERT:

As far as we know, this .cert file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of software applications associated to the .cert file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open cert file, edit cert file, convert cert file, view cert file, play cert file etc. (if exist software for corresponding action in File-Extensions.org's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the cert files.

  • Import cert file
  • Others cert file

Software that import cert file - Netscape certificate index file

Click on the link to get more information about Netscape Navigator for import cert file action.

Microsoft Windows:

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CER file extension

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file extension CFC


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