ZLB

ZoneAlarm Mailsafe renamed HTA file
File type: Various data file
Files with zlb extension are used by the ZoneAlarm firewall software. They contain some various data for internal purposes.
What is zlb file?
File type category:
Various data file
Date updated: August 25, 2017
The zlb 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 zlb file extension originally had HTA file extension (common HTML program 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.
How to open zlb file?
You can rename the zlb file extension back to HTA 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.
Suggested software to open zlb file:
Associated software actions with the zlb file
Software applications that handle other tasks involving zlb files:
ZoneAlarm Pro (Microsoft Windows)