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ZO5

zo5 icon

ZoneAlarm Mailsafe renamed file

File type: Various data file

Files with zo5 extension are used by the ZoneAlarm firewall software. They contain some various data for internal purposes.

What is zo5 file?

File type category:
Various data file

Date updated: October 16, 2017

The zo5 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 zo5 file extension had its original file extension renamed for security reasons.

Suggested software to open zo5 file:

Associated software actions with the zo5 file

Software applications that handle other tasks involving zo5 files:

Microsoft Windows

Related file extensions