File Extension Library


.ZPO File Extension

  • Developer by: Check Point Software Technologies Ltd.
  • Category: Various data Files

What is an .ZPO file?

.ZPO file extension is created by Check Point Software Technologies Ltd.. .ZPO has been classified as Various data Files.

.ZPO is ZoneAlarm Mailsafe renamed data

The zpo file extension is associated with ZoneAlarm, a personal firewall software, originally created by Zone Labs and currently developed by CheckPoint Software Technologies LTD.

One of ZoneAlarm features is MailSafe, which detects e-mail attachments and warns the user about their presence. When a potentially dangerous attachment is detected, the program quarantines the file with simple renaming of its original file extension, so it breaks the common program association function in Windows and prevents such files from being executed (or launched via associated program).

A file with zpo file extension had its original file extension renamed for security reasons.


How to open:

Probably not meant to be accessed by the user.

How to convert:

Probably cannot be converted to anything else.

How to Open .ZPO file on different platforms

Open .ZPO File on Windows

  • Right-click a .ZPO
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .ZPO file and Select check box "Always use this app to open .ZPO files" Press "Ok"

Open .ZPO File on Mac

  • Right-click (or Ctrl + Left-click) the .ZPO file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .ZPO File on Linux

Right click on the .ZPO file, choose "Open with" and select a program from the list above

Open .ZPO File on iPhone

Select a file. If you don't see an application to open the .ZPO file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .ZPO File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .ZPO files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .ZPO files

  1. You need to update the application that you normally use to open .ZPO files. Only the latest version of the software supports the current .ZPO file format
  2. You need to check the .ZPO file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)