File Extension Library


.ZLP File Extension

  • Developer by: Check Point Software Technologies Ltd.
  • Category: Various data Files

What are .ZLP files and how to open them?

Can't open .ZLP file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .ZLP file.

What is a .ZLP file extension?

.ZLP file extension is created by Check Point Software Technologies Ltd.. .ZLP has been classified as Various data Files.

.ZLP is ZoneAlarm Mailsafe renamed REG file

The zlp file extension is associated with ZoneAlarm, a personal firewall software, originally created by Zone Labs and currently developed by CheckPoint Software Technologies LTD.

One of ZoneAlarm features is MailSafe, which detects e-mail attachments and warns the user about their presence. When a potentially dangerous attachment is detected, the program quarantines the file with simple renaming of its original file extension, so it breaks the common program association function in Windows and prevents such files from being executed (or launched via associated program).

A file with zlp file extension originally had REG file extension (Windows registry file). Simple renaming will restore the Windows associations with such file, however it is not advised, unless you are absolutely sure it safe to do.


How to open:

You can rename the ZLP file extension back to REG and work with the file normally. This can however be potentially dangerous, because the file was quarantined for a reason. So always re-check it with your anti-virus or anti-spyware programs before you rename the files.

How to convert:

Conversion to other formats is not possible.

How to fix problems with .ZLP files

  1. You need to update the application that you normally use to open .ZLP files. Only the latest version of the software supports the current .ZLP file format
  2. You need to check the .ZLP file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)