FW3 File Type

- The quick facts

What are FW3 files and how to open them

Are you having problems opening a FW3 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 FW3 file?

The FW3 file extension indicates to your device which app can open the file. However, different programs may use the FW3 file type for different types of data.

While we do not yet describe the FW3 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 FW3 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 FW3 files

Important: Different programs may use files with the FW3 file extension for different purposes, so unless you are sure which format your FW3 file is, you may need to try a few different programs.

Various apps that use files with this extension

We have not yet verified any programs for Windows that work with this specific file format. If you know one, please use the 'Suggest a program' link below. Thanks!

Try a universal file viewer

Since we do not have any programs listed that we have verified can open FW3 files, we suggest that you try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and very likely yours too! Download Free File Viewer.