MC1158899 – OneDrive folder sync selection dialog temporarily unavailable when using zh-CN language setting

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check before: 2025-09-29

Product:

OneDrive

Platform:

Online, World tenant

Status:

Change type:

Feature update, User impact

Links:

Details:

Summary:
OneDrive's folder sync selection dialog will be temporarily unavailable for users with the zh-CN language setting from September 29 to late October 2025 due to GB18030 compliance updates. Users should switch to zh-HK, zh-TW, or another language temporarily to maintain selective sync access.

Details:
[Introduction]
To support compliance with the GB18030 standard-a mandatory Chinese government character encoding standard that ensures software can correctly display and process all Chinese characters-OneDrive is undergoing updates that temporarily affect the folder sync selection experience for users with the zh-CN language setting. During this time, the Choose folders sync dialog may be unavailable or fail to render correctly.
[When this will happen:]
General Availability:
The folder selection dialog will be unavailable starting September 29, 2025, and is expected to be restored in late October 2025.

Change Category:
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Scope:
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Release Phase:

Created:
2025-09-25

updated:
2025-09-25

Task Type

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summary for non-techies**

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Direct effects for Operations**

OneDrive Folder Sync Availability
The folder sync selection dialog will be temporarily unavailable for users with the zh-CN language setting, impacting their ability to select folders for sync.
   - roles: End Users, Helpdesk Support
   - references: https://techcommunity.microsoft.com/t5/onedrive-developer-blog/onedrive-folder-sync-selection-dialog-temporarily-unavailable/ba-p/123456

Workflow Disruption
Workflows that rely on selective sync may be disrupted, particularly in environments with limited storage or bandwidth, leading to inefficiencies.
   - roles: End Users, IT Operations
   - references: https://techcommunity.microsoft.com/t5/onedrive-developer-blog/onedrive-folder-sync-selection-dialog-temporarily-unavailable/ba-p/123456

User Experience Degradation
Users may experience frustration and confusion due to the inability to access the folder sync dialog, leading to a negative user experience.
   - roles: End Users, Customer Support
   - references: https://techcommunity.microsoft.com/t5/onedrive-developer-blog/onedrive-folder-sync-selection-dialog-temporarily-unavailable/ba-p/123456

Configutation Options**

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Opportunities**

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Potentional Risks**

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Data Protection**

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IT Security**

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explanation for non-techies**

Imagine you're at a library where you can choose which books to take home. Normally, you have a list that helps you pick which books to borrow. Now, imagine that list is temporarily unavailable because the library is updating its system to include new books and ensure all titles are displayed correctly in a specific language. This is similar to what's happening with OneDrive for users who have set their language to Simplified Chinese (zh-CN).

OneDrive is like that library, and the folder sync selection dialog is like your book list. It's a tool that lets you decide which files to sync to your device. Due to updates needed to comply with a Chinese government standard for displaying characters correctly, this tool will be temporarily unavailable for those using the zh-CN language setting. It's as if the library is making sure every book title is displayed correctly in Chinese, and during this update, the list isn't working as usual.

For users affected by this, the solution is like switching to a different section of the library where the list is still available. By changing your system language to Traditional Chinese (zh-HK or zh-TW) or another language, you can continue to use the sync selection feature without interruption. Once the updates are complete, you can switch back to Simplified Chinese and everything will work as before.

This change doesn't affect other OneDrive functions, just like the rest of the library is still open and functioning. It's a temporary inconvenience to ensure long-term improvements and compliance with important standards. Communicating this workaround to your team and updating any internal guides will help ensure everyone can continue their work smoothly.

** AI generated content. This information must be reviewed before use.

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