Email, Messaging, & Video Calls Email How to Spell Check Yahoo Mail Messages Using your browser is a good workaround by Heinz Tschabitscher Writer A former freelance contributor who has reviewed hundreds of email programs and services since 1997. our editorial process Heinz Tschabitscher Updated on May 15, 2020 Email Yahoo! Mail Gmail Tweet Share Email Spelling mistakes in email messages are embarrassing and best avoided. Yahoo Mail doesn't include a built-in spell checker, but that doesn't mean you can't check the spelling another way. Instructions in this article apply to Yahoo Mail in the Firefox, Chrome, and Safari web browsers. Spell Check Yahoo Mail Messages Most web browsers, including Firefox, Chrome, and Safari, have built-in spell checkers that check for errors as you type. When an error is found, the browser displays a red line beneath the problem word. To fix the spelling, right-click the word and choose the correct spelling from the suggestions offered by the browser. Because the method for setting up automatic spell checking is different for each web browser, follow the instructions for the browser you use with Yahoo Mail. Activate Spell Check in Firefox In order for Firefox to spell check your Yahoo Mail emails, first activate the feature in the Firefox preferences. It's a simple process, and you only have to do it once. From the Firefox menu in the upper-right corner, choose Preferences. Make sure the General tab is highlighted. Select the Check your spelling as you type check box under the Language heading in the Language and Appearance section. The change is saved automatically. Activate Spell Check in Google Chrome The spelling setup in Chrome is similar to the one in Firefox. Go to the Menu icon in the top right corner of the Chrome browser and select Settings. Scroll to the bottom of the Settings screen and select Advanced. In the Privacy and security section, turn on the Use a web service to help resolve spelling errors toggle. The changes are saved automatically. Activate Spell Check in Safari Safari's spelling setup is handled from the Safari Edit menu on the menu bar. Go to Edit on the Safari menu bar and select Spelling and Grammar. Select Check Spelling While Typing. Optionally, select Check Grammar With Spelling or Correct Spelling Automatically.