A daily updated filename extension database!

DW3 file extension

The table below provides useful information about the .dw3 file extension. It answers questions such as:

  • What is the .dw3 file?
  • What program do I need to open a .dw3 file?
  • How can the .dw3 file be opened, edited or printed?
  • How can I convert .dw3 files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

1 extension(s) and 0 alias(es) found in database

✅ DeathWatch WebCrawler Data

DW3 file is a DeathWatch WebCrawler Data. Deathwatch WebCrawler is a personal search engine that runs on any Windows machine with the .NET framework installed.
DW3 format description not yet available
Category: Data files
Application: DeathWatch WebCrawler
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
DW3 aliases:
DW3 related links:
DW3 related extensions:

Other types of files may also use the .dw3 file extension.

🚫 The .dw3 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

d3, dd3, ds3, dw, dwe, dwr, fw3, rw3, sw3, vw3, wd3

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Disguise 3 Project
SPICE Sweep Operations Output Data
Framework III File
Blood Bowl Game Data
RapidWeaver 3 Site
David Whittaker Format Music
Volkswriter 3 Text Document
DesignWorkshop Data
Offline Explorer Data
Creator Waveform Data

🔴 Can't open a .dw3 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .dw3 file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .dw3 file extension, write to us!

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