Opening a ZNT File

The ZNT file type is primarily associated with ZoneAlarm Mailsafe.

ZNTFile Extension ZNT
File extension: ZNT
File type:  ZoneAlarm Mailsafe files

What is a ZNT file?

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

How do you open ZNT files?

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

Online ZNT Text Viewer

Choose your .znt file to analyze

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Unable to Open a .ZNT File? Quick Solutions:

ZNT files can originate from different programs and aren't universally openable.

  1. Identify the Source: If received via email, it is often a quarantined attachment (such as a renamed .cnt file) modified by Zone Labs' ZoneAlarm Mailsafe for security purposes.
  2. Check the Header: Inspect the first bytes in a text editor or hex viewer:
    • "PK" indicates a renamed ZIP archive.
    • "MZ" suggests a quarantined Windows executable.
    • Readable text might reveal XML or plain text data.
  3. Use the Original Software: The original program is usually required. Try ZoneAlarm Mailsafe, restore the original file extension if known, or ask the sender for clarification.
  4. Use this Webpage: Drag and drop the file into our viewer to detect the format, extract readable text/metadata, and preview when possible.

Technical Data for ZNT 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%\Zone Labs\ZoneAlarm\zlclient.exe -warning


a znt ZoneAlarm Mailsafe 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 ZNT files

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