Enabling Copilot in Outlook requires a Copilot license, the right signed-in account, and a specific settings toggle in Mail > Compose messages.
Copilot in Outlook promises drafts, coaching, and polish without leaving your inbox. But it stays hidden until three things line up: the correct license is assigned, you are signed into Outlook with that licensed account, and the feature toggle is turned on in settings. Below is the exact path for every supported Outlook version, plus the steps to take when the Copilot icon refuses to appear.
What You Need Before Copilot Shows Up
Copilot in Outlook is not available by default on any Microsoft 365 plan. It requires Microsoft 365 Copilot, an add-on license that your Microsoft 365 admin assigns to individual users through the Microsoft 365 admin center under Billing > Licenses.
Once the license is assigned, sign into Outlook with the same Microsoft account or work account that holds the Copilot license. Using a different account is the single most common reason Copilot stays invisible — Outlook checks the signed-in identity, not the installed app version.
Enabling Copilot in New Outlook and Outlook on the Web
The new Outlook for Windows and Outlook on the web share the same settings path. Open Outlook, click Settings (gear icon, top right), then choose All Outlook Settings. Go to Mail > Compose messages and check Enable Microsoft 365 Copilot.
If that checkbox is missing, open Editor Options (sometimes labeled Proofing in the same Compose messages panel) and check Use Copilot to help me write better emails. Microsoft Q&A guidance confirms this alternate path catches most cases where the main toggle is absent.
Using Copilot Once It’s Enabled
With the setting on, drafting with Copilot works the same across all supported Outlook clients. In new Outlook or Outlook on the web, click Home > New mail, then select the Copilot icon in the compose toolbar. A dropdown offers Draft with Copilot — type a prompt like “write a follow-up to the client about the quarterly review” — and Copilot generates a draft you can keep, adjust, or regenerate.
On Outlook for iOS and Android, tap New Mail, then tap the Copilot icon in the compose toolbar. Choose Draft with Copilot and enter your prompt, or pick Coaching by Copilot to polish an existing draft. Microsoft notes that Coaching requires at least 100 characters of text to return useful feedback.
Copilot in Outlook by Client — What Works Where
| Outlook Client | Copilot Available | Where to Find It |
|---|---|---|
| New Outlook for Windows | Yes (licensed account) | Home > New Mail > Copilot icon |
| Outlook on the Web | Yes (licensed account) | Home > New Mail > Copilot icon |
| Outlook for iOS | Yes (licensed account) | New Mail > Copilot icon in toolbar |
| Outlook for Android | Yes (licensed account) | New Mail > Copilot icon in toolbar |
| Classic Outlook for Windows | Limited or hidden | Switch to new Outlook if the icon is absent |
| Outlook for Mac | Yes (licensed account) | New Mail > Copilot icon (same basic flow) |
Microsoft’s official copilot page names new Outlook, Outlook on the web, and mobile as fully supported. Classic Outlook users may need to toggle the new Outlook preview on to access the feature.
Copilot Is Missing — The Fixes to Try First
If you have a Copilot license and the right account but still see no Copilot icon, the fix chain is short:
- Open File > Account in any Microsoft 365 app and click Update License. Wait for the confirmation, then close and restart Outlook.
- Go to File > Account > Account Privacy > Manage Settings and turn on the option for connected experiences. Copilot relies on this setting to appear.
- On the web, refresh the Outlook tab after confirming the correct account is signed in. If the icon remains hidden, check that third-party cookies are not blocked in your browser — restricted cookies can block Copilot’s license validation.
When the Settings Path Itself Varies
The Enable Microsoft 365 Copilot checkbox location changes slightly between versions. In new Outlook, Microsoft Q&A instructions point to Settings > All Outlook Settings > Mail > Compose messages. If you are on an older build, Microsoft’s missing-button support page suggests opening Editor Options > Proofing and checking Use Copilot to help me write better emails. Both checkboxes produce the same result — Copilot becomes visible in the compose toolbar.
Common Mistakes That Block Copilot in Outlook
| Mistake | Why It Blocks Copilot | Quick Fix |
|---|---|---|
| Signed into wrong account | Outlook checks the signed-in identity, not the license pool | Sign out, sign in with the licensed account |
| License not refreshed after assignment | Microsoft 365 apps cache the old license status | File > Account > Update License, then restart |
| Connected experiences disabled | Copilot treats this as an opt-out signal | File > Account Privacy > Manage Settings > enable |
| Using classic Outlook | Microsoft’s clearest Copilot guidance targets the new Outlook | Toggle new Outlook on, or test on Outlook on the web |
| Browser blocks third-party cookies | Copilot’s license check fails on the web | Allow cookies for outlook.office.com |
| Semi-Annual Enterprise Channel | Feature releases lag behind Current Channel | Admin should move affected users to Monthly Enterprise or Current Channel |
Enable Copilot in Outlook — The Short Sequence
- Confirm a Microsoft 365 Copilot license is assigned to your account in the admin center.
- Sign into Outlook with that specific account.
- Open Settings > All Outlook Settings > Mail > Compose messages and check Enable Microsoft 365 Copilot.
- If the checkbox is absent, open Editor Options > Proofing and check Use Copilot to help me write better emails.
- Restart Outlook. The Copilot icon appears in the Home > New mail compose toolbar.
References & Sources
- Microsoft Support. “Draft an email message with Copilot in Outlook.” Official Microsoft guidance on Copilot in Outlook for new Outlook, web, and mobile.
- Microsoft Support. “How to find and enable missing Copilot button in Microsoft 365 apps.” Troubleshooting steps for license refresh, privacy settings, and alternate proofing path.
- Microsoft Q&A. “How to enable Copilot in Outlook?” Community-confirmed settings path for enabling Copilot in new Outlook.