Why when an invitation via Outlook is send to a different user other users get activity updates?

Copper Contributor

Why when an invitation via Outlook is send to a different user other users get activity updates?

 

I would appreciate your opinions.

2 Replies
*continue on the previous post*
(note) via defender admin center is shown the activity update on the irrelevant users (i add this for more clarification).
please guys, any opinion or possible solution would be highly appreciated!! ;)