The only way to get such statistics is to periodically crawl the message trace logs, then aggregate the data: https://learn.microsoft.com/en-us/exchange/monitoring/trace-an-email-message/message-trace-modern-eac
Exporting email statistics from my Exchange Online mailbox ?
EnterpriseArchitect
5,406
Reputation points
People,
Using Exchange Online and login as Global Admin myself,
How can I export the statistics of my current email in the mailbox to see which sender address is the Top 10 sending inbound email to my mailbox?
Thanks in advance.