Opening ZL8 Files

The ZL8 file type is primarily associated with ZoneAlarm Mailsafe.

ZL8	File extension: ZL8
	File type:	Renamed .CRT File

What is a ZL8 file

ZL8 files mostly belong to ZoneAlarm Mailsafe by Zone Labs. Use our "Online ZL8 Text Viewer" below to analyze your ZL8 file and to see all text it contains.

How to open a ZL8 file

You need a suitable software like ZoneAlarm Mailsafe to open a ZL8 file. You need a suitable software like ZoneAlarm Mailsafe from Zone Labs to open a ZL8 file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your ZL8 file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ZL8 file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ZL8 Text Viewer

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.ZL8 File Won't Open? Here is What You Can Do

Because .ZL8 files can originate from different programs, they aren't universally openable.

Identify the Source: If received via email, it is likely a quarantined attachment. ZoneAlarm Mailsafe automatically renames .CRT (Security Certificate) files to .ZL8 to prevent accidental execution.
Check the Header: Inspect the first bytes in a text editor or hex viewer:
- -----BEGIN CERTIFICATE----- indicates a readable PEM-encoded certificate.
- Binary data starting with 30 82 suggests a DER-encoded certificate.
Use the Original Software: You usually need to rename the extension back to .CRT and open it with Windows CryptoAPI, OpenSSL, or a web browser. If unsure, ask the sender.
Use this Webpage: Drag and drop your .ZL8 file into our viewer to detect the format, extract readable text, and preview when possible.

Technical Data for ZL8 File Extension

Program ID:

ZAMailSafe

Related files:

zpr, zpp, zml

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and file extension information submitted by users.

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\CA\eTrust EZ Armor\eTrust EZ Firewall\_INS5576._MP -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\CA\eTrust EZ Armor\eTrust EZ Firewall\ca.exe

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\CA\eTrust EZ Armor\eTrust EZ Firewall\ca.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\iclient.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\zaplus.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\zapro.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\zlclient.exe

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\zlclient.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\Zone Labs\ZoneAlarm\ZONEAL~1.EXE -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\ZONELA~1\ZONEAL~1\ZONEAL~1.EXE -warning %1

ProgramID: ZAMailSafe
EXEFile: Y:\ZoneLabs\ZoneAlarm\zlclient.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\ZoneAlarm\zlclient.exe -warning %1

ProgramID: ZAMailSafe
EXEFile: %ProgramFiles%\CA\eTrust EZ Armor\eTrust EZ Firewall\zonealarm.exe -warning

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a zl8 Renamed .CRT File is a special file format by Zone Labs and should only be edited and saved with the appropriate software.

How to solve problems with ZL8 files

Associate the ZL8 file extension with the correct application.
Update your software that should actually open renamed .crt files. Because only the current version supports the latest ZL8 file format. Search, therefore, e.g. on the Zone Labs manufacturer website after an available ZoneAlarm Mailsafe update.
To make sure that your ZL8 file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .ZL8 file online - secure, fast, and no downloads needed.