Unable to permanently set codepage to 65001 in wt.exe #2611

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opened 2026-01-30 22:59:41 +00:00 by claunia · 2 comments
Owner

Originally created by @rivy on GitHub (Jul 6, 2019).

Environment

C:\>ver
Microsoft Windows [Version 10.0.18362.175]

C:\>where wt.exe
C:\Users\Roy\AppData\Local\Microsoft\WindowsApps\wt.exe

C:\>echo %LocalAppData%
LOCALAPPDATA=C:\Users\Roy\AppData\Local

Steps to reproduce

Setting "CodePage" within the registry doesn't result in the correct code page within the wt terminal window.

Neither this ...

C:\>C:\Windows\System32\reg.exe add HKCU\Console\%LocalAppData^%_Microsoft_WindowsApps_wt.exe /v CodePage /t REG_DWORD /d 65001 /f
The operation completed successfully.

nor this ...

C:\>C:\Windows\System32\reg.exe add HKCU\Console\C:_Users_Roy_AppData_Local_Microsoft_WindowsApps_wt.exe /v CodePage /t REG_DWORD /d 65001 /f
The operation completed successfully.

result in the correct codepage within the wt terminal window..

Expected behavior

C:>chcp
Active code page: 65001

Actual behavior

C:\>chcp
Active code page: 437
Originally created by @rivy on GitHub (Jul 6, 2019). <!-- 🚨🚨🚨🚨🚨🚨🚨🚨🚨🚨 I ACKNOWLEDGE THE FOLLOWING BEFORE PROCEEDING: 1. If I delete this entire template and go my own path, the core team may close my issue without further explanation or engagement. 2. If I list multiple bugs/concerns in this one issue, the core team may close my issue without further explanation or engagement. 3. If I write an issue that has many duplicates, the core team may close my issue without further explanation or engagement (and without necessarily spending time to find the exact duplicate ID number). 4. If I leave the title incomplete when filing the issue, the core team may close my issue without further explanation or engagement. 5. If I file something completely blank in the body, the core team may close my issue without further explanation or engagement. All good? Then proceed! --> <!-- This bug tracker is monitored by Windows Terminal development team and other technical folks. **Important: When reporting BSODs or security issues, DO NOT attach memory dumps, logs, or traces to Github issues**. Instead, send dumps/traces to secure@microsoft.com, referencing this GitHub issue. Please use this form and describe your issue, concisely but precisely, with as much detail as possible. --> # Environment ```none C:\>ver Microsoft Windows [Version 10.0.18362.175] C:\>where wt.exe C:\Users\Roy\AppData\Local\Microsoft\WindowsApps\wt.exe C:\>echo %LocalAppData% LOCALAPPDATA=C:\Users\Roy\AppData\Local ``` # Steps to reproduce Setting "CodePage" within the registry doesn't result in the correct code page within the `wt` terminal window. Neither this ... ```none C:\>C:\Windows\System32\reg.exe add HKCU\Console\%LocalAppData^%_Microsoft_WindowsApps_wt.exe /v CodePage /t REG_DWORD /d 65001 /f The operation completed successfully. ``` nor this ... ```none C:\>C:\Windows\System32\reg.exe add HKCU\Console\C:_Users_Roy_AppData_Local_Microsoft_WindowsApps_wt.exe /v CodePage /t REG_DWORD /d 65001 /f The operation completed successfully. ``` result in the correct codepage within the `wt` terminal window.. # Expected behavior ```none C:>chcp Active code page: 65001 ``` # Actual behavior ```none C:\>chcp Active code page: 437 ```
claunia added the Resolution-Duplicate label 2026-01-30 22:59:41 +00:00
Author
Owner

@rivy commented on GitHub (Jul 6, 2019):

I can force the codepage to 65001 by enabling BETA: Use Unicode UTF-8 for worldwide language support in the "Control Panel \ Clock and Region \ Region \ Administrative \ Change system locale..." dialog box and rebooting.

But, I would expect a less global setting to be available.

@rivy commented on GitHub (Jul 6, 2019): I can force the codepage to 65001 by enabling `BETA: Use Unicode UTF-8 for worldwide language support` in the "Control Panel \ Clock and Region \ Region \ Administrative \ Change system locale..." dialog box and rebooting. But, I would expect a less global setting to be available.
Author
Owner

@DHowett-MSFT commented on GitHub (Jul 7, 2019):

This boils down to #1802. You’re unable to set the console codepage for WT using the Console registry keys because wt is not a console application. Those keys only apply to things that run INSIDE consoles, not things that ARE console hosts.

What we need is a way for WT to force its connected console hosts to be in codepage 65001. That’s the essence of 1802.

@DHowett-MSFT commented on GitHub (Jul 7, 2019): This boils down to #1802. You’re unable to set the console codepage for WT using the Console registry keys because _wt is not a console application._ Those keys only apply to things that run INSIDE consoles, not things that ARE console hosts. What we need is a way for WT to force its connected console hosts to be in codepage 65001. That’s the essence of 1802.
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Reference: starred/terminal#2611