When running the Exchange Data Collector against Office 365 using the option selected below you may encounter an error stating "No mailboxes were found in the scan result" (see below).
When this error is generated run the following command from an Administrative PowerShell on the same machine you are running the collector from and then run your data collection again. If the issue persist please contact the Kaseya RapidFire Tools support team.
Install-Module -Name PowerShellGet -Force