.ZL4 File Extension
- Developer by: Check Point Software Technologies Ltd.
- Category: Various data Files
What are .ZL4 files and how to open them?Can't open .ZL4 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 .ZL4 file.
What is a .ZL4 file extension?
.ZL4 file extension is created by Check Point Software Technologies Ltd.. .ZL4 has been classified as Various data Files.
.ZL4 is ZoneAlarm Mailsafe renamed CHM data
The zl4 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 zl4 file extension originally had CHM file extension (Microsoft help 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.