Hi @Cindy L ,
Welcome to our forum!
now we've got 3 users reporting this issue.
Whose status exactly isn't showing up in New Outlook? Is it an external user?
If so, as i know, it's a known issue as mentioned in this official article:
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.