1. Open Outlook and click New Email (or press Ctrl + N) to send a message.
2. Click the Options tab.
3. Click the Delay Delivery icon.
4. Select the date and time you’d like to send the message in the Do not deliver before section.
5. Click Close.
6. Send the message.
Your email will now go out after the time and date you set. If you change your mind and would like to send it immediately, keep reading.
6. Open the Outbox folder and click to Open your message.
7. Click the Options tab.
8. Click the Delay Delivery icon.
9. Uncheck the box and click Close.
10. Send the message.
