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Fix Thai Characters Appearing as Question Marks in OneNote Android
Question details
The user is unable to type or view Thai text properly in OneNote for Android, as the characters appear as question marks.
- Product
- Microsoft OneNote
- Device & OS
- Android
- Scenario
- Attempting to take notes or read text in the Thai language using the OneNote app on an Android mobile device.
- Observed behavior
- Thai characters are displayed as question marks instead of letters, and Thai fonts are missing or unavailable for download within the OneNote font menu, even though the app interface is in Thai.
Before making changes to app data or system settings, verify that all your OneNote notebooks are completely synchronized to OneDrive to prevent any accidental loss of your local notes.
Configure Android Language and Keyboard Settings
Ensure that your Android device and on-screen keyboard are fully configured to support the Thai language system-wide.
OneNote relies on the Android system's language capabilities and fonts. Even if the app's menu displays in Thai, the keyboard and system language pack must be properly installed to render Thai characters correctly in the document body.
Open your Android device's Settings app, navigate to 'System' (or 'General Management'), select 'Language & input', and add Thai to your list of active languages.
In the same 'Language & input' menu, tap on your default on-screen keyboard (such as Gboard or Samsung Keyboard). Go to 'Languages' and ensure the Thai keyboard layout is added and downloaded.
Restart the OneNote app, open a notebook, switch your keyboard to Thai, and try typing to see if the characters render correctly instead of showing question marks.
Update Apps and Clear OneNote Cache
Resolve potential app glitches or missing font rendering resources by updating your software and clearing temporary cache files.
Contact Microsoft Support for Font Issues
Reach out to official support if Thai fonts remain completely unavailable in the OneNote font menu after basic troubleshooting.
Try WPS Office for Seamless Multi-Language Document Editing
If you are struggling with font display issues or missing language support in other apps, consider switching to WPS Office. It provides comprehensive multi-language support, including Thai, within a free, lightweight, and highly compatible mobile application.
- 1. Download the App: Search for WPS Office in the Google Play Store and install the free application on your Android device.
- 2. Open or Create a Document: Launch WPS Office and either open an existing document or tap the '+' icon to create a new Writer document or memo.
- 3. Type in Thai: Switch your device keyboard to Thai and start typing. WPS Office reliably renders global fonts without substituting characters with question marks.
Frequently Asked Questions
Why do Thai characters show as question marks in OneNote?
This typically happens when the app cannot access the correct font files needed to display the text, or if the Android system and keyboard language settings are not fully configured to support Thai input.
How do I ensure my OneNote notebooks are safely backed up before clearing data?
Open the OneNote app, navigate to Settings, and check your 'Sync' status. Verify there are no sync error icons next to your notebooks. You can also log into OneDrive on a web browser to confirm your notes are securely stored in the cloud.
Can I manually download and install Thai fonts directly into OneNote for Android?
No, OneNote for Android relies primarily on the fonts provided by the Android operating system. The app does not currently support importing custom font files directly into its internal font menu.
