File Extension Database

Open CRL File

CRL file is a file extension that is associated with several programs and in most instances, it is utilized in connection to certificate revocation lists. Let's discuss the different formats and ways on how to open files with a CRL extension.

Certificate Revocation Lists (CRLs)

A .CRL file is most commonly associated with Certificate Revocation Lists (CRLs). CRLs are used in various security systems such as secure email servers and encrypted web services to provide an updated list of digital certificates that have been revoked by administrators and should no longer be trusted. Here is a great resource for more detailed information.

Opening a CRL File

There are several methods to open a CRL file. The process can be different depending on the operating system and the software you are using. For Microsoft systems, you can use Microsoft Windows and its built-in Certificate Manager to manage, view and open CRL files. Here is a helpful guide on how to use it.

Other Applications of CRL Files

Apart from Certificate Revocation Lists, CRL file extensions are also associated with Dr. Hardware SYS, CorelDraw, and CRiSP Harvest applications. However, these uses are less common.

CRL File Important Information

When working with CRL files, it's essential to remember that these are important system files. Improper handling of these files can lead to errors and may compromise system security. Therefore, when dealing with these files, make sure you have a full understanding of their purpose and right handling.

Typical CRL application file locations:

%SystemRoot%\system32\rundll32.exe cryptext.dll
C:\Windows\system32\rundll32.exe cryptext.dll,CryptExtOpenCRL %1

Typical CRL mime types:

CryptExtOpenCRL %1
application/pkix-crl

Frequently associated Windows objects:

CRLFile

How Can I Open CRL File on Windows

We researched and learned that the best way to open CRL file is to find a CRL file in question in Windows OS File Explorer and double click on it to launch the corresponding application.
If a CRL file is not opened in an application and you instead get a "Windows can't open a file" error message you should try looking for an application which can open the file in question.
If you know the application which can open CRL file then run it and see if there is a File->Open main menu option in the application.
If you don't know the application which function as CRL file opener then try to search online for "CRL viewer", "application to open CRL file" or "open CRL file" queries in the search engine you like.
Install the application you found and check if it can open CRL file

How Can I Open CRL File on Mac OS

We recommend to find a CRL file in question in Mac OS Finder and double click on it to launch the corresponding application.
If a CRL file is not opened in a Mac OS application and you instead get a "There is no application set to open the file" error message you can click on "Search App Store" in the error dialog and Mac OS will show you applications compatible with CRL file.
If you know the Mac OS application which can work as CRL file opener you can choose the "Choose Application..." option in the error box to associate the file extension and open CRL file in it.
If you don't know the application which can open CRL file then try to search for "CRL viewer", "application to open CRL file" or "read CRL file" queries in the online search engine you like.
Install the application you found and check if it can read CRL file

How Can I Open CRL File on Android

If you downloaded a CRL file on Android device you can open it by following steps below:

In the Android apps list on your Android device find "My Files" or "File manager" app and tap to start it.
Tap on "Downloads" folder inside the app.
You should see your downloaded CRL file in that folder.
Tap on the file. If Android device supports opening the file you downloaded it will open in the corresponding app.
If file does not open you can look for the corresponding app that can open the file by searching Android App Store for the "CRL".
If you cannot open the file with the apps from Android App Store it is possible that the file could only be opened on desktop platforms such as Windows or Mac OS. Try searching for "CRL viewer", "CRL file reader" online and see if any desktop applications can open it.
It is also possible that the file you downloaded is outdated and is no longer supported.

How to Open CRL File on iPhone or iPad

To open CRL File on iOS device follow steps below:

We advies to open Files app on your iPhone or iPad device. You can find it by swiping down on the home screen and typing "Files" in the search bar.
Tap on the Downloads folder on the Files app home screen.
You will see all files that you recently downloaded. Tap on the CRL file to view it.
If you have the right app that can open it it will automatically launch and open your file.
If you don't have the app which can open it you need to serch Apple app store for "CRL". This way you can find apps which can open CRL files.
If this doesn't help it is possible that your file could be opened only by the desktop application. To find an app which can open it on desktop look for "CRL viewer" or "CRL file" online in your favorite search engine.

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