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Basic information about ZL4 file

When there is a problem with opening files with the file extension ZL4（*.ZL4 or *.zl4）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the ZL4 file yourself.

There are 1 file types using the ZL4 file extension in our database. In the further part of this page, you will find detail information about all the ZL4 file with their brief description and a list of programs that support ZL4 file sorted by operating systems. The table below provides useful information about the ZL4 file extension. It answers questions such as:
  • What is the ZL4 file?
  • How to open a ZL4 file?
  • What programs do I need to open a ZL4 file?
  • What programs help to create and edit a ZL4 file?
  • How to convert ZL4 files to another file format?
  • How to convert another files to ZL4 file format?


1.Detail information about ZL4 file extension: ZoneAlarm Mailsafe Renamed CHM

File type ZoneAlarm Mailsafe Renamed CHM Category Misc Files
Developer Check Point Software Technologies Ltd. File format N/A
Description ZL4 file is a ZoneAlarm Mailsafe Renamed CHM developed by Check Point Software Technologies Ltd.. ZL4 filename suffix is mostly used for ZoneAlarm Mailsafe Renamed CHM files. ZoneAlarm Mailsafe Renamed CHM format was developed by Check Point Software Technologies Ltd.. Files with ZL4 extension may be used by programs distributed for Windows platform. The software recommended for managing ZL4 files is ZoneAlarm Pro. Software named ZoneAlarm Pro was created by Check Point Software Technologies Ltd.. In order to find more detailed information on the software and ZL4 files, check the developer’s official website.
Software programs that will open, edit or convert ZL4 files

Windows		 ZoneAlarm Pro



Can't open a ZL4 file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.ZL4”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the ZL4 extension without any issue.


Where I can download the application that support ZL4 file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How to change file associations?

  • Right-click a file with the extension whose association you want to change, and then click "Open With".
  • In the "Open With" dialog box, click the program whith which you want the file to open, or click "Browse" to locate the program that you want.
  • Select the ”Always use the selected program to open this kind of file” check box.


Can I change the extension of ZL4 files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a ZL4 file?

The reasons for the lack of the ability to open a ZL4 file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a ZL4 file. If there is still something wrong, you might want to check:

  • Whether the ZL4 file is damaged.
  • Whether the ZL4 file is incorrectly linked in the registry entries.
  • Whether the ZL4 file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the ZL4 file format is incompletely.
  • Whether the ZL4 file is infected.
  • Whether the drivers of the equipment used for opening a ZL4 file are up to date.
  • Whether your computer has enough hardware resources to open a ZL4 file.

If the ZL4 file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.