HTW File

What are HTW files and how to open them

Are you having problems opening a HTW file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a HTW file?

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

While we do not yet describe the HTW 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 HTW 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!

How to open HTW files

Important: Different programs may use files with the HTW file extension for different purposes, so unless you are sure which format your HTW file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 16 different HTW openers which you will find listed below.

Various apps that use files with this extension

These apps are known to open certain types of HTW files. Remember, different programs may use HTW files for different purposes, so you may need to try out a few of them to be able to open your specific file.

FlashPeak SlimBrowserFlashPeak SlimBrowserVerified
progeCAD ProfessionalprogeCAD ProfessionalUser submitted
FlashPeak SlimBoatFlashPeak SlimBoatUser submitted
UntisUntisUser submitted
MaxthonMaxthonUser submitted
SlimBrowserSlimBrowserUser submitted
SingularLogic Report ViewerSingularLogic Report ViewerUser submitted
Embarcadero RadPHP XE2Embarcadero RadPHP XE2User submitted
SewWhat-Pro ApplicationSewWhat-Pro ApplicationUser submitted
SlimBoatSlimBoatUser submitted
Acoo BrowserAcoo BrowserUser submitted
AViCAD ProfessionalAViCAD ProfessionalUser submitted
Center@Mail.Ru - EUCenter@Mail.Ru - EUUser submitted
JuggernautJuggernautUser submitted
MasterClips MediaPaq BrowserMasterClips MediaPaq BrowserUser submitted
OAGTPOAGTPUser submitted

Try a universal file viewer

Try a universal file viewer like Bitberry File Opener. It can open 410 different types of files - and most likely yours too. Download Bitberry File Opener here.

Help us help others helps thousands of users every day, and we would love to hear from you if you have additional information about HTW file formats, example files, or compatible programs. Please use the links below or email us at to discuss further.