Files with zm1 extension are used by the ZoneAlarm firewall software. They contain some various data for internal purposes.

There is one other file type using
the ZM1 file extension!

empty icon.zm1 - ZSNES movie #1

Detailed description

Software that open zm1 file

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ZM1 file extension - ZoneAlarm Mailsafe renamed MDA file

What is zm1 file? How to open zm1 files?

File type specification:

Various data file type icon Various data file type

zm1 file icon: zm1 filetype icon

The zm1 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 zm1 file extension originally had ZIP file extension (common ZIP compressed archive). 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 open zm1 file:

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:

You can rename the zm1 file extension back to MDA 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:

As far as we know, this .zm1 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 .zm1 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open zm1 file, edit zm1 file, convert zm1 file, view zm1 file, play zm1 file etc. (if exist software for corresponding action in File-Extensions.org's database).

Unspecified and all other actions for computer programs working with zm1 file - ZoneAlarm Mailsafe renamed MDA file

Click on the software link for more information about ZoneAlarm Pro. ZoneAlarm Pro uses zm1 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:

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