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M365 Outlook (How To) Set Spell Check to Automatically Run Before Sending a Message
In desktop versions of Outlook, you can check the spelling in your email message at any time by clicking Review > Spelling & Grammar.
To keep the Spelling & Grammar command always within reach, you can add it to the Quick Access Toolbar
If you prefer to have Spell Check run automatically on every email you send, follow these steps:
- Click File > Options > Mail.
- Under Compose messages, check the Always check spelling before sending box.
Now when you click Send, Outlook checks spelling automatically. If there are no spelling mistakes, it sends the message right away. If you change your mind and want to edit the message some more, click Cancel to stop the spell check, and then click No.