We all know outlook mail application for various features. one of which is outlook meeting. through which, you can send a notification for physical or virtual meetings. not only this, If you are intrested in marking some one as optional attendees. you can do that by making the changes given below. 

How to add someone as optional attendees in outlook mail application? 

• First of all, you need to open the outlook mail application on your computer. 
• Go to the new. 
• Click on the new items or new task button. 
• Here, you need to click on the New meeting.
• Enter the main persons emails address in the to section. 
• Now enter the optional attendees emails address in the optional or CC section. 
• Finally, you can add the meeeting, time, subject and other details. after that, you can click on the send button. 

Finally, your content will be send to the outlook mail application. in case, if you need more help for your oultook mail account. you need to visit How to make somone optional in outlook. there you will find the compelte guide for your outlook mail application.