How to open ZLH files

Did your computer fail to open a ZLH file? We explain what ZLH files are and recommend software that we know can open or convert your ZLH files.

What is a ZLH file?

The ZLH file extension indicates to your device which app can open the file. However, different programs may use the ZLH file type for different types of data.

While we do not yet describe the ZLH file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about ZLH files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Generic ZLH

These apps are known to open certain types of ZLH files. Since many different programs may use ZLH files for different purposes, you may need to try a few of the apps to open your specific ZLH file.

ZoneAlarm ClientZoneAlarm ClientUser submitted
Zone Labs ClientZone Labs ClientUser submitted
ZoneAlarm Security SuiteZoneAlarm Security SuiteUser submitted
ZoneAlarm Anti-SpywareZoneAlarm Anti-SpywareUser submitted
ZoneAlarmZoneAlarmUser submitted
ZoneAlarm Extreme SecurityZoneAlarm Extreme SecurityUser submitted
ZoneAlarm Anti-virusZoneAlarm Anti-virusUser submitted
PCGATE PersonalPCGATE PersonalUser submitted
Alice Total SecurityAlice Total SecurityUser submitted
ZoneAlarm ProZoneAlarm ProUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with ZLH-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with ZLH-files. If you know one, please use the Suggest link below and tell us about it!