Go to File > Options > Proofing and select AutoCorrect Options. On the AutoCorrect tab, select or clear Replace text as you type. Turn AutoCorrect on or off in your document.

Add entry to an AutoCorrect list. Go to the AutoCorrect tab. In the Replace box, type a word or phrase that you often misspell. In the With box, type the correct spelling of the word. Select Add.

Select the Editor icon > Customize your Editor. (If you do not see the Editor icon, go to the ribbon on an email. Select Editor > Show suggestions count .) Use the toggle to turn autocorrect and autocapitalization on or off.

Go to File > Options > Proofing and select AutoCorrect Options. On the AutoCorrect tab, select or clear Replace text as you type. Turn AutoCorrect on or off in your document.

Word marks spelling, grammar, and stylistic issues with an underline. Right-click the underlined word, and then choose the suggestion you want, or learn more about the error and how to correct it. Or, open the Editor pane to address issues by category. On the Review tab, select Check Document.

You can use the AutoCorrect feature to correct typos, capitalization errors, and misspelled words, as well as automatically insert symbols and other pieces of text. By default, AutoCorrect uses a standard list of typical misspellings and symbols, but you can modify the entries in this list.

Go to the AutoCorrect tab. In the Replace box, type a word or phrase that you often misspell. In the With box, type the correct spelling of the word. Click Add. Note: You can add multiple entries that point to the same "With" text. Just add a separate entry for each change.

Turn on or off any settings you like, such as Correct misspelled words or Capitalize the first letter of a sentence.

Here's how. Click File > Options > Proofing, clear the Check spelling as you type box, and click OK. To turn spell check back on, repeat the process and select the Check spelling as you type box. To check spelling manually, click Review > Spelling & Grammar. But do remember to run spell check.

You can manually start a spell check by pressing F7. Automatic grammar checking is available only in Outlook, Word, and PowerPoint. Office marks potential spelling errors with a red squiggly line, and potential grammatical errors are marked with a blue squiggly line.