FileInfo
extension

CHARSET File - What is a .charset file and how do I open it?

Learn about .CHARSET files and view a list of programs that open them.

Languages

EN

Overview

What is a CHARSET file? A CHARSET file is a data file that defines a set of characters used by a software application. In some programs for macOS (formerly Mac OS X), CHARSET files store the characters required to display or process specific languages or text encodings. These files help the application interpret text correctly by specifying which characters are available and how they should be represented.

More Information CHARSET files are typically stored inside an application’s "Resources" folder, which is part of the application package on macOS systems. The files are used internally by the software and are not meant to be edited by most users. Developers include them with the program so the application can support different character sets or language-specific text when displaying content.

Popularity3.3/5

6 votes

Quick AppUsed by
VerifiedVerified by FileInfo.com The FileInfo.com team has independently researched the Character Set file format and Mac, Windows, and Linux apps listed on this page. Our goal is 100% accuracy and we only publish information about file types that we have verified. If you would like to suggest any additions or updates to this page, please let us know .

Document Icon

Breadcrumbs

DeveloperN/A
Popularity3.3 | 6 Votes

Previous / Next

‹ .CHARINFO.CHART ›

In-Depth

.CHARSET File Extension

Character Set

DeveloperN/A
Popularity
3.3  |  6 Votes
 

What is a CHARSET file?

A CHARSET file is a data file that defines a set of characters used by a software application. In some programs for macOS (formerly Mac OS X), CHARSET files store the characters required to display or process specific languages or text encodings. These files help the application interpret text correctly by specifying which characters are available and how they should be represented.

More Information

CHARSET files are typically stored inside an application’s "Resources" folder, which is part of the application package on macOS systems. The files are used internally by the software and are not meant to be edited by most users. Developers include them with the program so the application can support different character sets or language-specific text when displaying content.

How to open a CHARSET file

You can open a CHARSET file with a text editor, such as Microsoft Notepad or Apple TextEdit . However, they are typically intended for use by the application that installed them, and editing them may cause the program to display text incorrectly. In most cases, users should leave CHARSET files unchanged and allow the software that installed them to manage them automatically.

Open over 400 file formats with File Viewer Plus . Free Download

Programs that open or reference CHARSET files

Sort

Pricing

Program Name

Platform

Reset

X

All Platforms

Any text editor

Windows

Microsoft Notepad

Included with OS

Mac

Apple TextEdit

Included with OS

Linux

gedit

Free

Category: Text Files

Updated: March 13, 2026

FAQ

What is a CHARSET file?↓
A CHARSET file is a data file that defines a set of characters used by a software application. In some programs for macOS (formerly Mac OS X), CHARSET files store the characters required to display or process specific languages or text encodings. These files help the application interpret text correctly by specifying which characters are available and how they should be represented.
How do I open a .charset file?↓
You can open a CHARSET file with a text editor, such as Microsoft Notepad or Apple TextEdit. However, they are typically intended for use by the application that installed them, and editing them may cause the program to display text incorrectly. In most cases, users should leave CHARSET files unchanged and allow the software that installed them to manage them automatically.

Related