This is a quick post on how to retrieve all Global Admins within your Office 365 organisation using PowerShell.
First connect to Office 365 using Powershell and then run the below commands:
$role = Get-MsolRole -RoleName "Company Administrator" Get-MsolRoleMember -RoleObjectId $role.ObjectId | select DisplayName,EmailAddress,IsLicensed,LastDirSyncTime,RoleMemberType | export-csv c:\temp\GlobalAdmins.csv -nti
