How to report all email has the attachment per day ?

[Tien Ngo Thanh]

Hello

     I use exchange online office365 and try finding report about 

      - How many email has the attachment per day ?

      - and detail these email has the attachment 

    please guide help me way to running this report

Best Regards,

Thanks

[#2]

There aren't such reports available, you will have to build your own. Which you can do either by some EWS-based script that goes over all mailboxes, or by leveraging the extended message trace events.