Open Z1 file

The most commonly used .z1 file type: ZoneAlarm Mailsafe renamed VB file

How to open z1 files?

z1 file icon Have you had trouble opening the z1 file on your computer? What are z1 files? We explain what they are and recommend software that we know will open them.

What is z1 file?

Files with z1 extension are used by the ZoneAlarm firewall software. They contain some various data for internal purposes.

More information about z1 files: ZoneAlarm Mailsafe renamed VB file

The z1 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 z1 file extension originally had VB file extension (Visual Basic script file). Simple renaming will restore the Windows associations with such file, however it is not advised, unless you are absolutely sure it safe to do.

Suggested software to open z1 file

ZoneAlarm Pro

A popular firewall software

Other Z1 file name extensions using the same .z1 suffix

.z1 - Infocom game module for Z-machine version 1

A z1 file extension is related to the Infocom software. A z1 file stores  game module for Z-machine version 1.

Open z1 file with software: Frotz

What file extension actually is?

Simply put, file extensions are the characters after the dot in the computer file name, so for example document-name.pdf has file extension „pdf“. This helps Windows to identify which program should be used to open the file.

We can help you to open your file

Our database contains a huge list of different file extensions, usually with detailed description and programs that can be used to open or otherwise work with that particular file type.

Only original software

Every software listed in our database is verified and ve provide link to the developer or to the software own website, which should hopefuly be enough for you to download the most recent version of the program.