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CERT

cert icon

Netscape certificate index data file

File type: Internet related file

Files with cert extension usually contain certificate index files from old Netscape Navigator internet browsing suite.

Found 3 different file type records with the same cert filename suffix.

What is cert file?

File type category:
Internet related file

Date updated: November 29, 2023

Record marked as obsolete and not updated for a long time.

File extension cert 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Netscape Navigator is obsolete product.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.

How to open cert file?

Probably not meant to be accessed by the user.

How to convert cert file?

It is unlikely that this file type can be converted to anything else.

Suggested software to open cert file:

Netscape Navigator icon
Netscape Navigator
Older multi-platform web browser

Associated software actions with the cert file

Software apps that import cert files:

Microsoft Windows

Netscape Navigator icon Netscape Navigator

Software applications that handle other tasks involving cert files:

Microsoft Windows

Netscape Navigator icon Netscape Navigator

Keychain Access data

File type category:
Various data file

Date updated: May 15, 2018

The cert file extension is associated with the Keychain Access, a tool included to Apple Mac OS X (macOS) operating system that allows users to manage passwords and logins.

The cert file stores some kind of data used by Keychain Access.

How to open cert file?

Probably not meant to be accessed by the user.

How to convert cert file?

Probably cannot be converted to anything else.

Suggested software to open cert file:

Associated software actions with the cert file

Software apps that create cert files:

Apple macOS / Mac OS X

Software applications that handle other tasks involving cert files:

Apple macOS / Mac OS X

Open Virtual Machine Format certificate

File type category:
Various data file

Date updated: June 29, 2024

The cert file extension is associated with the Open Virtual Machine Format an open standard for packaging and distributing virtual machines developed by VMware, Dell, HP, IBM, Microsoft and XenSource.

The cert file is used for integrity and authenticity checks.

How to open cert file?

The cert files are used for internal purposes of compatible apps.

Suggested software to open cert file:

Associated software actions with the cert file

Software applications that handle other tasks involving cert files:

Related file extensions