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Manage Spelling Dictionary in Windows 10: Add or Remove Words

Isabella Shinn
Isabella Shinn

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When autocorrect and highlight misspelled words are enabled in Windows 10, the system automatically checks for spelling errors as you type. If a word is not found in the dictionary, it is underlined in red. Adding a word to the dictionary prevents it from being highlighted as misspelled. But what if you accidentally add a wrong word to the dictionary?

Here is a step-by-step guide on how to add or remove words from the Windows 10 spell checking dictionary.


Option 1: Add Words to the Dictionary for the Current Language

Add words to the dictionary to prevent them from being flagged as misspelled.

To add a word to the spell checking dictionary, right-click on the underlined word and select Add to dictionary.

Add to dictionary

Option 2: Add or Remove Words from the Default.dic File for a Language

Step 1: Open File Explorer.

Step 2: Navigate to the spelling dictionary location.

Type %AppData%\Microsoft\Spelling in the address bar and press Enter.

Spelling dictionary location

Step 3: Open the folder corresponding to the language you want to customize.

Dictionary folder

Step 4: Open the default.dic file using Notepad.

Open default.dic file

Step 5: Add or remove words as needed to prevent them from being highlighted as misspelled.

Tip: Enter one word per line. When finished, click File in Notepad and select Save As.

Add words and save

Tip: To reset the dictionary for a language, delete the default.dic file in Step 4. The file will be recreated when you next add a word to the dictionary for that language.

Reset dictionary