Contact Backup Script :                  Export-CsUserData -PoolFQDN “lync01.qb.com” -UserFilter “kumar@qb.com”  -FileName “C:\Users\Downloads\Test.zip”

Contact update script :                  Update-CsUserData -Filename “C:\Usersr\Downloads\test.zip”  -UserFilter kumar@itcssg.com

Move Lync Users:     Move-CsUser -Identity kumar@itcssg.com -Target sipfed.online.lync.com -Credential $cred -HostedMigrationOverrideUrl “https://admin2a.online.lync.com/HostedMigration/hostedmigrationservice.svc” -ProxyPool “lync01.qb.com”

Export-CsUserData -PoolFQDN “lync01.qb.com”  -FileName “C:\Users\Downloads\Lync_Group_contact.zip”