A zl9 file extension is related to the Mailsafe program, distributed as a part of ZoneAlarm security software. A zl9 file contains renamed EXE file.

Detailed description

Software that works with zl9 file extension

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ZL9 file extension - ZoneAlarm Mailsafe renamed EXE file

What is zl9 file? How to open zl9 files?

File type specification:

Various data file type icon Various data file type

zl9 file icon: zl9 filetype icon

The zl9 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 zl9 file extension originally had EXE file extension (common program executable 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.

The default software associated to zl9 file type:

ZoneAlarm Pro icon

Check Point Software Technologies Ltd. logoZoneAlarm Pro  Microsoft Windows software

Company or developer:
Check Point Software Technologies Ltd.

ZoneAlarm Pro is a set of tools used to protect computer against hacker attacks,destroy spyware, and secure privacy.

Related articles:

Mailsafe renamed file extensions

Help how to open ZL9 files:

You can rename the ZL9 file extension back to EXE and work with the file normally. This can however be potentially dangerous, because the file was quarantined for a reason. So always re-check it with your anti-virus or anti-spyware programs before you rename the files.

How to convert file with extension ZL9:

As far as we know, this .zl9 file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

List of recommended software applications associated to the .zl9 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file
: like open zl9 file, edit zl9 file, convert zl9 file, view zl9 file, play zl9 file etc. (if exist software for corresponding action in File-Extensions.org's database).

  • Others zl9 file

Unspecified and all other actions for computer programs working with zl9 file - ZoneAlarm Mailsafe renamed EXE file

Click on the software link for more information about ZoneAlarm Pro. ZoneAlarm Pro uses zl9 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Previous file extension
ZL8 file extension

File-Extensions.org > Various data file types

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file extension ZLA


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