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KW3 file extension

The table below provides useful information about the .kw3 file extension. It answers questions such as:

  • What is the .kw3 file?
  • What program do I need to open a .kw3 file?
  • How can the .kw3 file be opened, edited or printed?
  • How can I convert .kw3 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

✅ KanjiWORD 3 Document

KW3 file is a KanjiWORD 3 Document. KanjiWORD is a bilingual word processor f·or processing both English and Japanese text.
KW3 format description not yet available
Category: Document files
Application: KanjiWORD
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
KW3 aliases:
KW3 related links:
KW3 related extensions:

Other types of files may also use the .kw3 file extension.

🚫 The .kw3 file extension is often given incorrectly!

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

kd3, ks3, kwe

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

Yayoi Kaikei Accounting Data
Lotus 1-2-3 Worksheet
3D Forgastest Editor Object
kCura Win Edds Data
DataFlex Index
Lightwright Show Data
Lotus 123 Spreadsheet

🔴 Can't open a .kw3 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 .kw3 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 .kw3 file extension, write to us!

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