ZoneAlarm Mailsafe renamed CRT data
File type: Various data file
Files with zl8 file extension might be found as CRT files renamed by ZoneAlarm's Mailsafe service.
File type category:
Various data file
Date updated: April 23, 2019
The zl8 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 zl8 file extension originally had CRT file extension (common internet security certificate). Simple renaming will restore the Windows associations with such file, however it is not advised, unless you are absolutely sure it safe to do.
You can rename the ZL8 file extension back to CRT 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.
Probably cannot be converted to anything else.
ZoneAlarm Pro (Microsoft Windows)
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