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How to change ANSI Code Page (ACP) on Windows

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Article Number000004302
EnvironmentProduct: All Progress Products
Version: All supported versions
OS: All supported Windows platforms
Database: All supported databases
Application: All supported applications
Question/Problem Description
How to change ANSI code page (ACP) on Windows.
Steps to Reproduce
Clarifying Information
Error Message
Defect/Enhancement Number
  • Open Windows Control Panel
  • Select Region (and Language)
  • Click on the "Administrative" tab
  • Under Language for non-Unicode programs section, click "Change System Locale" button
  • Select the locale
  • Click OK
References to other documentation:

Code Pages

User Locale, System Locale, UI Language, Language Profile & All That

Change the system locale (Windows Vista and Windows 7)

How to: Change Operating System Settings to Support Localized Versions

Web pages relating locales to code pages:

Wikipedia: Code page:

Windows Locale Codes - Sortable list:

Code Page Identifiers
Last Modified Date5/29/2019 1:38 PM