Opening a ZLU File

The ZLU file type is primarily associated with ZoneAlarm Mailsafe.

ZLUFile Extension ZLU
File extension: ZLU
File type:  Renamed .VBE File

What is a ZLU file?

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

How to open a ZLU file

You need a suitable software like ZoneAlarm Mailsafe to open a ZLU file. You need a suitable software like ZoneAlarm Mailsafe from Zone Labs to open a ZLU 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 ZLU file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a ZLU file directly in the browser:. Just drag the file onto this browser window and drop it.

Online ZLU Text Viewer

Choose your .zlu file to analyze

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What to Do When a .ZLU File Fails to Open

A .ZLU file originates from specific security software and isn't universally openable.

  1. Identify the Source: These are typically email attachments quarantined by ZoneAlarm Mailsafe, indicating it was originally a VBScript Encoded (.VBE) file.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer.
    • Seeing #@~^ confirms it's an encoded VBScript.
    • Readable text might reveal script comments.
    • "PK" indicates a renamed ZIP archive.
  3. Use the Original Software: The original program is usually required; use Zone Labs' ZoneAlarm or a VBE decoder. Exercise caution as it may contain malware, or ask the sender if unsure.
  4. Use this Webpage: Drag and drop your .ZLU file into our viewer to safely detect its true format, extract metadata, and preview contents.

Technical Data for ZLU File Extension

Program ID:
ZAMailSafe
Related files:

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


a zlu Renamed .VBE 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 ZLU files

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