All about ZLR Files

The ZLR file type is primarily associated with ZoneAlarm Mailsafe.

ZLRFile Extension ZLR
File extension: ZLR
File type:  Renamed .SCT File

What is a ZLR file

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

How can I open a ZLR file?

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

Online ZLR Text Viewer

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4 Steps to Open an Unknown .ZLR File

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

  1. Identify the Source: You may receive this as a quarantined email attachment, suggesting it is often a renamed Windows Scriptlet (.SCT) blocked by Zone Labs' ZoneAlarm Mailsafe.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • <scriptlet> indicates a standard Windows .SCT file.
    • "PK" suggests a renamed ZIP archive.
    • Readable XML implies a configuration file.
  3. Use the Original Software: The original program is usually required to open it properly. Try ZoneAlarm, Microsoft Windows Script Component, or ask the sender if uncertain.
  4. Use this Webpage: Drag and drop your .ZLR file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for ZLR 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 zlr Renamed .SCT 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 ZLR files

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