Schedule a message for later. While composing a message, select the dropdown next to Send and select Schedule send. Select one of the default options, then select Send or choose a custom time and then select Send . After you select Send, the message remains in the Draft folder until the delivery time.

To fix this error, use the following steps. Choose Settings > Manage Accounts. Choose the account that's out of date to display the account settings dialog. Choose Change mailbox sync settings > Advanced mailbox settings. You may have to scroll down in the dialog to see Advanced mailbox settings. Check the boxes for Require SSL for incoming ...

Sign in to Outlook on the web with your work or school account. Go to outlook.office.com. If you're not automatically signed in with your work or school account, follow the prompts to enter the email address and password for your work or school account. Follow any two-factor authentication prompts you may have previously set up for this account.