What is a .Z1 File And How To Open It – Check Point Software Technologies (Guide)


Have you downloaded a file with .z1 extension, but you have never seen this extension before? It is important to know how to open this file – in order to be able to work with it. In this article we will explain what .z1 file extension is, how to open it and how to work with it.

What is a .Z1 file?

The file extension .Z1 is from ZoneAlarm Renamed VB File.This file extension was developed by Check Point Software Technologies. The file is a miscellaneous file.

What to know

There is currently 1 software that can open the .z1 file on 1 platform.

How to open a .Z1 file?

In this part of the article we will show you how to open the .Z1 file on various operating systems.

How to open a .Z1 file on Windows (7, 8, 10)

The .z1 file can be opened in 4 steps on Windows.

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

Step 2

Step 2: Locating your .Z1 file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

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”. Congratulations! You have opened your file on Windows.

Still cannot open the .Z1 file?

If you are still unable to open the .Z1 file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .Z1 file.z1 – Infocom. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .Z1 file with the ZoneAlarm Antivirus program on Windows.