# Uninstall other versions
Uninstall-Module -Name ExchangeOnlineManagement -AllVersions -Force
# Install specific version
Install-Module -Name ExchangeOnlineManagement -RequiredVersion 3.6.0 -Force
# Import Module
Import-Module ExchangeOnlineManagement
# Connect to Exchange Online, should get a popup for auth 
Connect-ExchangeOnline
#Simple test to get some mailbox information
Get-mailbox shead
# Get Size of all users mailbox
Get-EXOMailbox | Get-ExoMailboxStatistics |select DisplayName,TotalItemSize
# Get Mailbox Enabled Connection Types
Get-EXOCASMailbox | Select PRimarySMTPAddress,OWAEnabled,ImapEnabled,PopEnabled,MAPIEnabled,EwsEnabled,ActiveSyncEnabled
# Disconnect from MS Exchange Online
Disconnect-ExchangeOnline