
Dear @Anderson, Aaron,
Good day! Thank you for posting your question in the Microsoft Q&A forum.
We apologize for any inconvenience you may encounter when using our services/ products. Based on your description, kindly try these following steps:
Quick Fixes for Chrome:
Enable Spell Check in Chrome Settings
- Go to Settings > Advanced > Languages.
- Ensure both Basic spell check and Enhanced spell check are turned on.
Clear Browser Cache
- Navigate to Settings > Privacy and Security > Clear browsing data.
- Select All time and clear Cached images and files.
Check for Conflicting Extensions
- Go to Settings > Extensions.
- Disable extensions one by one to identify any that interfere with spell check.
Reset Chrome Settings
- Go to Settings > Advanced > Restore settings to their original defaults
Use Microsoft Editor Extension
- Install the Microsoft Editor browser extension for grammar and spelling support in Chrome.
Fixes for Firefox:
Enable Spell Check
- Go to Options > Language & Appearance
- Check “Check my spelling as I type”.
Install a Dictionary
- Visit Dictionaries and Language Packs – Add-ons for Firefox (en-US) and install the appropriate language pack.
Check Configuration
- In about:config, ensure layout.spellcheckDefault is set to 1.
Disable Conflicting Extensions
- Some add-ons may interfere with spell check. Try disabling them temporarily.
For Word Spell Check:
Kindly consider this article as a reference: Spelling and grammar in Word - Microsoft Support
Here are some references:
- Check grammar and spelling with the Microsoft Editor browser extension - Microsoft Support
- Firefox's spellcheck suddenly stopped working, any ideas how to fix it? | Firefox Support Forum | Mozilla Support
Note: Microsoft provides this information as a convenience to you. The sites are not controlled by Microsoft. Microsoft cannot make any representations regarding the quality, safety, or suitability of any software or information found there. Please make sure that you completely understand the risk before retrieving any suggestions from the above link.
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