Opening a ZOJ File

The ZOJ file type is primarily associated with ZoneAlarm Mailsafe.

ZOJFile Extension ZOJ
File extension: ZOJ
File type:  ZoneAlarm Mailsafe files

What is a ZOJ file?

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

How to open a ZOJ file

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

Online ZOJ Text Viewer

Choose your .zoj file to analyze

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Trouble Opening a .ZOJ File? These Steps Will Help

ZOJ files can come from different programs and aren't universally openable.

  1. Identify the Source: .ZOJ files are often email attachments renamed by Zone Labs' ZoneAlarm Mailsafe for security. They may also come from 3D designers or developers sharing .obj files.
  2. Check the Header: Inspect the first bytes in a text or hex editor. You might see:
    • Readable text (implies a 3D .obj file)
    • "PK" (implies a ZIP archive)
    • "MZ" (implies an executable)
  3. Use the Original Software: The original program is usually required. You may need ZoneAlarm Pro to restore it, Blender for 3D models, or Visual Studio. If uncertain, ask the sender.
  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 ZOJ 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 zoj 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 ZOJ files

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