Z1 file extension
The table below provides useful information about the .z1 file extension. It answers questions such as:
- What is the .z1 file?
- What program do I need to open a .z1 file?
- How can the .z1 file be opened, edited or printed?
- How can I convert .z1 files to another format?
Table of Contents
- ✅ Z-machine Z-code File
- ✅ ZoneAlarm MailSafe Renamed VB File
- 🔄 .z1 file converters
- 🚫 .z1 file related errors
We hope you find this page helpful and a valuable resource!
2 extension(s) and 0 alias(es) found in database
✅ Z-machine Z-code File

Z1 file is a Z-machine Z-code File. The Z-machine is a virtual machine that was developed by Joel Berez and Marc Blank in 1979 and used by Infocom for its text adventure games.
✅ ZoneAlarm MailSafe Renamed VB File

Z1 file is a ZoneAlarm MailSafe Renamed VB File. ZoneAlarm is a personal firewall software application originally developed by Zone Labs. ZoneAlarm's MailSafe feature detects e-mail attachments and alerts the user to their presence. When a potentially dangerous attachment is detected (POP3 and IMAP protocols), ZoneAlarm quarantines it by changing the extension so that it cannot be executed accidentally.
Other types of files may also use the .z1 file extension.
🚫 The .z1 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
Is it possible that the filename extension is misspelled?
We found the following similar file extensions in our database:
🔴 Can't open a .z1 file?
When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:
Windows cannot open this file:
example.z1
To open this file, Windows needs to know what program you want to use to open it...
If you don't know how to set the .z1 file association, check the FAQ.
🔴 Can I change the extension of files?
Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.
If you have helpful information about the .z1 file extension, write to us!