How to Schedule an Email to Be Sent at a Later Time in Outlook

This article explains how to schedule an email in Outlook. Instructions apply to Outlook 2019, 2016, 2013, 2010, and Outlook for Microsoft 365.

Microsoft Outlook supports the scheduling of email messages to be sent at a later date and time instead of sending them immediately.

Select New Email. Or choose an existing email and select Reply, Reply All, or Forward.
In the message window, compose and address the message.
Go to the Options tab and select Delay Delivery.
In the Properties dialog, under Delivery options, select the Do not deliver before check box.
Set the date and time you want the email to be sent.
Select Close.
In the message window, select Send.
Go to the Outbox folder to find the email messages that are scheduled but have not yet been sent.
To change the delivery time or date, open the email in a separate window, select Options > Delay Delivery, and reschedule a different send time.

$Changing the date and\or time to delay an email delivery.$
To send a scheduled email immediately, open the message in a separate window, return to the Delay Delivery screen, uncheck the box next to Do not deliver before, and then press Close followed by Send.