Files with fw4 file extension can be found as data files from Framework IV development software. Looks like old format.

Detailed description

Software that works with fw4 file extension

Add comment

Bookmark & share this page with others:

FW4 file - Framework IV data

What is fw4 file? How to open fw4 files?

File type specification:

Various data file type icon Various data file type

The fw4 file extension was also used for one of the default file formats in Framework IV development tools. Seems old format as the latest version of Framework is IX.

This fw4 file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Updated: March 16, 2018

The default software associated to fw4 file type:

Framework  Microsoft Windows software

Company or developer:
Selections & Functions, Inc.

Framework is a unified computing architecture encompassing an operating system, API, GUI, applications etc. It is developed and maintained as a semiconductor design with a parallel software version which runs with the help of simulation and virtualization on other operating systems.

Help how to open:

Probably not meant to be accessed by the user.

How to convert:

There is probably no real way how you can convert this particular file type to anything else.

List of recommended software applications associated to the .fw4 file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open fw4 file, edit fw4 file, convert fw4 file, view fw4 file, play fw4 file etc. (if exist software for corresponding action in's database).

  • Others fw4 file

Unspecified and all other actions for computer programs working with fw4 file - Framework IV data

Click on the software link for more information about Framework. Framework uses fw4 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).

Microsoft Windows:

Previous file extension
FW file extension > Various data file types

Next file extension
file extension FWA


Follow us!

Enter any file extension without dot (e.g. pdf)
Search for file extension details and associated application(s)

RSS feed