A company has an Office 365 tenant.
You must retrieve mailbox diagnostic data.
You need to provide a report with this data for all users.
Which report solution should you choose?

A.
downloadable spreadsheet

B.
REST reporting web service

C.
reporting Windows PowerShell cmdlets

D.
Office 365 admin center

Explanation:

The Office 365 Reporting web service enables developers to integrate information on email and spam, antivirus activity, compliance status, and Lync Online
activities into their custom service reporting applications and web portals.
All the reports available in the admin portal, within the downloadable Microsoft Excel spreadsheets, and those accessed through Windows PowerShell cmdlets, are
accessible using the Reporting web service. Office 365 Reporting web service
https://msdn.microsoft.com/en-us/library/office/jj984342.aspx