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Office Settings & Configuration

How to Fix Microsoft Word Not Correcting Thai Spelling

Chanuka GeekiyanageChanuka Geekiyanage Oct 12, 2026 869 views

Question details

Users need to resolve an issue where Microsoft Word does not correctly identify or suggest corrections for misspelled Thai words.

How to Fix Microsoft Word Not Correcting Thai Spelling
Product
Microsoft Word
Device & OS
not provided
Scenario
Writing or editing a document in the Thai language using Microsoft Word.
Observed behavior
The spelling and grammar proofing tool marks words incorrectly, fails to identify misspelled Thai words, or provides incorrect suggestions.
Before you start

Ensure your device has an active internet connection, as you may need to download the Thai language accessory pack and proofing tools from Microsoft.

Solution 1Recommended

Install and Enable Thai Proofing Tools

Ensure that the necessary language packs and proofing tools are installed for Thai.

Microsoft Word requires specific proofing tools to check spelling in different languages. If these tools are missing, Word will not flag spelling errors in Thai text.

1
Open Word Options

Launch Microsoft Word, click on the 'File' tab in the top-left corner, and select 'Options' at the bottom of the menu.

2
Access Language Settings

In the Word Options dialog box, click on 'Language' in the left-hand pane.

3
Add Thai Language

Under the 'Office authoring languages and proofing' section, click on 'Add a Language'. Select 'Thai' from the dropdown list.

4
Download Proofing Tools

Check the box that says 'Get proofing tools' and click 'Add'. Restart Microsoft Word to apply the changes.

Install and Enable Thai Proofing Tools
Grammar Checking Limitation: Word supports spelling checks for Thai, but grammar checking may not be available or reliable due to sentence structure complexities.
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Frequently Asked Questions

Why does Word check Thai spelling but not grammar?

Microsoft Word's proofing capabilities vary depending on the language. For Thai, Word supports basic spelling checks but lacks full grammar checking support because determining the correct sentence structure can be highly complex.

How can I report incorrect Thai spelling suggestions in Word?

You can submit feedback directly to the Microsoft Word team. Go to the 'Help' tab on the ribbon, select 'Feedback', and describe the inaccurate spelling results you are experiencing.

Does the 'Do not check spelling or grammar' option affect Thai proofing?

Yes. If the 'Do not check spelling or grammar' option is accidentally checked in your language settings, Word will completely ignore all errors in the selected Thai text, even if the proofing tools are installed.