ZL4 file format description
Many people share .zl4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .zl4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .zl4 files.
1 filename extension(s) found in our database.
.zl4 - ZoneAlarm MailSafe Renamed CHM File
The ZL4 other files are related to ZoneAlarm. ZL4 file is a ZoneAlarm MailSafe Renamed CHM 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 files
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- ZoneAlarm MailSafe Renamed CHM File related extensions:
Naturally, other applications may also use the .zl4 file extension. Even harmful programs can create .zl4 files. Be especially cautious with .zl4 files coming from an unknown source!
Can't open a .zl4 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 can't open this file:
To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.
To avoid this error, you need to set the file association correctly.
- Open Control Panel > Control Panel Home > Default Programs > Set Associations.
- Select a file type in the list and click Change Program.
The .zl4 file extension is often given incorrectly!
According to the searches on our site, these misspellings were the most common in the past year:
lz4, zp4, zm4, zlr, zl, sl4, zo4, zlt, zle, z14
Is it possible that the filename extension is misspelled?
Similar file extensions in our database:
- LZ4 Compressed Data
- GEMPACK Solution File
- Zlib Compressed Data
- ZoneAlarm MailSafe Renamed SCT File
- ZoneAlarm MailSafe Renamed URL
- Z-machine Z-code File
DataTypes.net currently supports the following operating systems:
Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android
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