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BIG5 file extension

The table below provides useful information about the .big5 file extension. It answers questions such as:

  • What is the .big5 file?
  • What program do I need to open a .big5 file?
  • How can the .big5 file be opened, edited or printed?
  • How can I convert .big5 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

✅ Chinese Text Document

BIG5 file is a Chinese Text Document. Big5 is a Chinese character encoding method used in Taiwan, Hong Kong, and Macau for traditional Chinese characters.
BIG5 format description not yet available
Category: Document files
Application: Notepad++
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
BIG5 aliases:
BIG5 related links:
BIG5 related extensions:
ANSI Art Text

Archive Description

General History File

General Log

Rich Text Format Document

Plain Text Document

OpenDocument Text

NFO File

Uuencoded Data

Microsoft Reader E-Book Document

Other types of files may also use the .big5 file extension.

🚫 The .big5 file extension is often given incorrectly!

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


Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

EA Compressed Game Archive
Cartes Michelin Image

🔴 Can't open a .big5 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 .big5 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 .big5 file extension, write to us!

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