Open Z3 file

The most commonly used .z3 file type: Infocom game module for Z-machine version 3

What is z3 file? Understanding and opening z3 files

Are you facing difficulties opening z3 files on your computer, or wondering exactly what z3 file is?
We've got the best software solutions for opening z3 files effortlessly.

.z3 file type #1: Infocom game module for Z-machine version 3

A z3 file extension is related to the Infocom game module for Z-machine version 3.

Further details

The z3 file extension is associated with Infocom.

The z3 files are compiled game code to files containing Z-machine instructions (called story files, or Z-code files). Z-code files usually have names ending in .z1, .z2, .z3, .z4, .z5, .z6, .z7 or .z8 (and occasionally .dat), where the number is the version number of the Z-machine on which the file is intended to be run.

Types 1, 2, 4, 6, and 7 are extremely uncommon; most Z-machine data files are types 3, 5, or 8. Type 6 provides some graphics support.

Interpreters for Z-code files are available on a wide variety of platforms - on various old machines (such as the Apple II, TRS-80 and Sinclair), portable machines (such as Palm OS devices and the Nintendo Game Boy) and most modern platforms.

Open z3 file with:

Frotz

An interpreter for Infocom games and other Z-machine games

.z3 file type #2: Zonealarm Mailsafe renamed data

A z3 file extension is related to the ZoneAlarm MailSafe, an e-mail protection software. A z3 file contains renamed data.

Further details

The z3 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 z3 file extension had its original file extension renamed for security reasons.

Open z3 file with:

ZoneAlarm Pro icon

ZoneAlarm Pro

A popular firewall software

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.

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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.

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