How to send emails with high or low importance in Outlook?
In some cases, you may want to send email with high importance mark to remind the receiver quickly handle the email in Outlook. Actually, there is a built-in function can mark an email with high or low importance in Outlook.
1. In the account you want to send email from, click Home > New Email.
2. In the Message window, click Message tab，go to the Tags group, enable High Importance or Low Importance as you need.
Then edit the email and send as usual.
When the receiver received the email, there is a high importance or low importance mark displaying in the mail list as below screenshot shown.
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