WFW File Type

By:   |   Amended: November 26, 2018

Microsoft Silver

WFW File Summary

File Extension WFW has only one distinct file type (Windows Firewall Policy File format) and is mostly associated with a single related software program from Microsoft Corporation (Microsoft Windows Server 2016). These files can be categorized as Settings Files.

We have found WFW files on the Windows operating system platform. They are both mobile and desktop device friendly. The Popularity Rating for WFW files is "Low", which means these files are not ordinarily found on an everyday user's device.

Interested to learn more about the WFW File Extension? We encourage you to view the detailed file information below to learn about the software that opens WFW files, and other troubleshooting tips.

Low
Universality
9567
File Rank

/ 11690

Active

Relevance

26

November

2018

Revised

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Types of WFW Files


Dominant WFW File Type

.WFW
File Ext:.wfw
File Type:Windows Firewall Policy File

A WFW is a settings file created by Windows Firewall with Advanced Security. It contains settings for a Windows firewall, which includes inbound and outbound connection security rules and general and logging settings.

Author: Microsoft Corporation
Class:Settings Files
Folder: HKEY_CLASSES_ROOT\.wfw

Software Programs That Open The Windows Firewall Policy File:


Microsoft Windows Server 2016 by Microsoft Corporation

Windows

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WFW Demand


File Extension Device Breakdown (desktop / mobile / tablet)

Desktop (84.34%)
Mobile (14.29%)
Tablet (1.37%)


Sources of WFW Problems


Typical WFW Opening Challenges

Microsoft Windows Server 2016 Disappeared

When trying to open your WFW file, you get the error "Can't Open WFW File Type". If so, it typically means that you don't have Microsoft Windows Server 2016 installed for %%os%%. You won't be able to double-click to open your WFW because your OS doesn't know what to do with it.


Tip: When you have another program installed that you know will open your WFW, you can select it from the other programs listed (see "Show Apps").


Obsolete Version of Microsoft Windows Server 2016

Sometimes your installed version of Microsoft Windows Server 2016 won't support your Windows Firewall Policy File file. Download the latest Microsoft Windows Server 2016 version from the Microsoft Corporation website to ensure you have the correct one installed. The primary cause of this problem is that your Windows Firewall Policy File file was created by a different (newer) version of Microsoft Windows Server 2016 than what's installed.


Tip: Right-clicking on your WFW, then clicking "Properties" (Windows) or "Get Info" (Mac), can provide clues about your file version.


Conclusion: The majority of WFW file opening issues are due to not having the correct Microsoft Windows Server 2016 version installed.


Other WFW File Opening Causes

Errors opening Windows Firewall Policy File files can still occur even with the latest Microsoft Windows Server 2016 software installed on your computer. There can be external issues inside of %%os%% that are causing these errors when opening WFWs. These issues include:

  • WFW file references in the Windows Registry are broken
  • Unintentional removal of the description of the WFW file inside the Windows Registry
  • Invalid installation of a WFW-associated program (eg. Microsoft Windows Server 2016)
  • Your WFW can't be loaded properly (file corruption)
  • Past or present virus infection has affected your WFW
  • Hardware associated with WFW has outdated drivers
  • Your PC doesn’t have enough available resources to open the Windows Firewall Policy File file

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