You can configure Outlook options to automatically add underlines for all misspelled words or spelling errors when you composing emails.

1. Click File > Options to open the Outlook Options dialog box.

2. In the Outlook Options dialog box, please click the Mail in left bar, and then click the Spelling and Autocorrect button in the Compose messages section. See screenshot:

3. Now you get into the Editor Options dialog box. Please click the Proofing in the left bar, and check the Check spelling as you type option in the When correcting spelling in Outlook section. See screenshot:

4. Click OK > OK buttons to save the Outlook options.

From now on, red underlines will be added to misspelled words automatically when you type them in composing emails. See screenshot:

Automatically mark incoming emails with phishing links in Outlook

Have you ever received emails with phishing links which lead you to a phishing webpage and might steal your personal information in Outlook? Now Kutools for Outlook provides a Check malicious email option, which can help you check and mark all incoming emails containing phishing links automatically.

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