Office Settings & Configuration

How to Change the Default Proofing Language in OneNote for Mac

Natalie TaylorNatalie Taylor Nov 3, 2026 869 views

Question details

The user needs to set a persistent default proofing language for all new pages and sessions in OneNote for Mac.

How to Change the Default Proofing Language in OneNote for Mac
Product
Microsoft OneNote
Device & OS
Mac
Scenario
Typing notes in new text boxes where the application ignores regional language settings and triggers incorrect spell check alerts.
Observed behavior
OneNote for Mac does not support setting a global default proofing language; new text boxes frequently revert to the active keyboard language even if the system and account region are set to English.
Before you start

Ensure your Mac's system keyboard input source matches the language you intend to type in, as OneNote relies heavily on the active keyboard to determine the proofing language for new text.

Solution 1Recommended

Change the Proofing Language for Individual Text Boxes

Since OneNote for Mac lacks a global default language setting, you must manually adjust the proofing language for specific text selections or individual text boxes.

Microsoft OneNote for Mac currently does not support a global setting to permanently change the default proofing language across all future pages and typing sessions. The most reliable workaround is to apply the language setting per text box.

1
Select the text

Click inside the specific text box or highlight the text where you want to apply the correct spell check language.

2
Open the Tools menu

Navigate to the top macOS menu bar and click on "Tools".

3
Set the proofing language

Select "Set Proofing Language" from the dropdown menu, choose your preferred language from the list, and apply the changes.

Repetitive Task: You may need to repeat this adjustment for each new text box you create. You can also vote for the "Set Default Proofing Language" feature request on Microsoft's UserVoice.
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  1. 1. Download WPS Office: Visit the official WPS Office website and download the macOS installer.
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Frequently Asked Questions

Why does OneNote for Mac keep changing my proofing language?

OneNote for Mac automatically detects the active keyboard input language and uses it as the default proofing language for any new text you type. Switching your Mac's keyboard layout will immediately change the spell check language in OneNote.

Can I set a default language for the entire OneNote app on Mac?

Currently, Microsoft OneNote for Mac does not offer a built-in feature to set a permanent global proofing language. Users must adjust settings manually per text box or ensure their active keyboard input matches the desired language.

Does changing the Mac system language affect OneNote's spell check?

While setting your Mac system language or Microsoft account region to English is helpful, OneNote still prioritizes the current keyboard input source to determine the proofing language for newly created text boxes.