What is a .ZL9 File And How To Open It – ZoneAlarm (Simple Steps)


While downloading files, you might have downloaded a file with the .zl9 extension. You most likely know what the file is, but you might be unsure on how to open it. In this article we will explain what .zl9 file extension is, how to open it and how to work with it.

What is a .ZL9 file?

The .ZL9 file extension is ZoneAlarm Quarantined EXE File. This file extension was developed by ZoneAlarm. The format of this file is binary, and it is a executable file.

What to know

There is currently 1 software that can open the .zl9 file on 1 platform.

How to open a .ZL9 file?

Below you can find an easy to understand, step-by-step guide to open the .ZL9 file on your operating system/device.

How to open a .ZL9 file on Windows (7, 8, 10)

We have written below an easy-to-understand guide on how to open the .zl9 file on Windows in 4 easy steps.

1. In the first step you need to download the ZoneAlarm Antivirus software. This software will be used for opening the file. You can also use ZoneAlarm Antivirus software.

Step 2

Step 2: Locating your .ZL9 file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the ZoneAlarm Antivirus software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .ZL9 file?

If you are still unable to open the .ZL9 file, it might be because you are trying to open the wrong one. The .ZL9 file extension is similar to other file extensions such as: .zlb – AutoDesSys, .zlb – Andrew Plotkin, .zm1 – Check Point, .zm1 – ZSNES, .zm2 – Check Point. You might be trying to open one of them. Please recheck the file extension again.


In this article you have learned how to open the .ZL9 file with the ZoneAlarm Antivirus program on Windows.