A daily updated filename extension database!

ZL4 file extension

The table below provides useful information about the .zl4 file extension. It answers questions such as:

  • What is the .zl4 file?
  • What program do I need to open a .zl4 file?
  • How can the .zl4 file be opened, edited or printed?
  • How can I convert .zl4 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ ZoneAlarm MailSafe Renamed CHM File

ZoneAlarm MailSafe Renamed CHM File .zl4 file icon
ZL4 file is a ZoneAlarm MailSafe Renamed CHM File. ZoneAlarm is a personal firewall software application originally developed by Zone Labs. ZoneAlarm's MailSafe feature detects e-mail attachments and alerts the user to their presence. When a potentially dangerous attachment is detected (POP3 and IMAP protocols), ZoneAlarm quarantines it by changing the extension so that it cannot be executed accidentally.
ZL4 format description not yet available
Category: Other files
Application: ZoneAlarm
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
ZL4 aliases:
ZL4 related links:
ZL4 related extensions:
Registration Entries

ZoneAlarm MailSafe Renamed MDE File

ZoneAlarm MailSafe Renamed REG File

ZoneAlarm MailSafe Renamed OCX File

ZoneAlarm MailSafe Renamed RAR File

ZoneAlarm MailSafe Renamed BAT File

ZoneAlarm MailSafe Renamed ADE File

ZoneAlarm MailSafe Renamed MSI File

ZoneAlarm MailSafe Renamed MSC File

ZoneAlarm MailSafe Renamed SCT File

Other types of files may also use the .zl4 file extension.

🚫 The .zl4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

lz4, sl4, z4, zl, zle, zlr, zlt, zm4

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ZoneAlarm MailSafe Renamed SCT File
Z-machine Z-code File
Zlib Compressed Data
Money S3 Temporary Data
ZoneAlarm MailSafe Renamed ISP File
LZ4 Compressed Data
ZoneAlarm MailSafe Renamed URL
GEMPACK Solution File

🔴 Can't open a .zl4 file?

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

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .zl4 file association, check the FAQ.

🔴 Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .zl4 file extension, write to us!

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