Check grammar, spelling, and more in and Outlook on the web

Quickly correct spelling and grammar, adding polish to an important email to a colleague or peer. Get extra help as Microsoft Editor suggests refinements for clarity, conciseness, inclusive language, and more in Outlook on the web or with a Microsoft 365 subscription.

Note: These suggestions are currently only available in Chrome and new Microsoft Edge browser. You can try Microsoft Edge here.

Types of suggestions

As you type, marks will appear under words that have suggestions. There are three types of suggestions.

  • Spelling suggestions are denoted by red underline squiggles.

  • Grammar suggestions are denoted by a double blue underline.

  • Refinement suggestions are denoted by a dashed purple underline.

Turn suggestions on or off

  1. Select Editor in the compose ribbon at the bottom of your message.
    Button for Editor

  2. Click to select or deselect suggestion types (Spelling, Grammar, or Writing Refinement).

Note: Editor might be hidden under the More overflow. You can change which actions show up in the toolbar by going to Settings > Mail > Customize actions > Toolbar.

Fine tune your settings

For more granular control of which suggestions Editor makes, switch specific types of corrections and refinements on or off.

  1. Go to Mail > Compose and reply.

  2. Under Microsoft Editor, go to Microsoft Editor Settings.

  3. Switch options on and off for the corrections and refinements you want.

    Make selections for which corrections and refinements to use in Editor Settings.

Using suggestions

To accept suggestions:

  1. Left-click on the underlined text.

  2. A menu will appear that shows the reason for the suggestion and a possible correction, if one exists.

  3. Select the suggestion you'd like to accept.

To ignore a spelling suggestion:

Select Ignore all from the menu that appears.

Note: This will ignore this spelling suggestion in the current email draft only.

Change your proofing language

  1. Select the Editor button in the compose ribbon at the bottom of your message.

  2. Click the dropdown titled Proofing language in the dialog that appears.

  3. Select a language from the list that appears.

Note: Changing the proofing language will only apply to the current email draft. It may take some time to recheck your text depending on the length.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Office Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!