mailcow-dockerized-docs/docs/client/client-windows.md

Windows 8 and higher support email, contacts and calendar via Exchange ActiveSync.

1. Open the Mail app.
2. If you have not previously used Mail, you can click Add Account in the main window. Proceed to step 4.
3. Click Accounts in the sidebar on the left, then click Add Account on the far right.
4. Select Exchange.
5. Enter your email address () and click Next.
6. Enter your password and click Log in.

Once you have set up the Mail app, you can also use the People and Calendar apps.