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.z3 file extension

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ZoneAlarm MailSafe quarantined file.

MailSafe was a feature which used to be included with ZoneAlarm for filtering both inbound and outbound emails for viruses, spam and other malware. Newer versions of ZoneAlarm no longer include inbound filtering (on the grounds that this is typically provided by most modern mail clients), but does still filter outbound.

A .z3 file represents a quarantined (inbound) email attachment. You should use ZoneAlarm to view the file.

Later versions of ZoneAlarm MailSafe used the file extensions .z4, .z5, .z6, .z7 or .z8 and earlier versions used .z1 or .z2 depending on the version of ZoneAlarm MailSafe being used.

For more information see:

Can you add to this? Do you know of any applications not already listed which will work with .z3 files, view .z3 files or open .z3 files? Are you able to contribute any additional reference information or file format information about .z3 files or have you spotted any errors or omissions? If so please let us know by emailing us at feedback@cryer.co.uk - Thank you.