Operating Systems - Windows 11, 10, 8.1, 8, 7, Vista.
MS Outlook - MS Outlook 2021, 2019, 2016, 2013 (32-bit and 64-bit versions), 2010, 2007, 2003
Windows Server - Windows Server 2012, 2008 R2, 2008, 2003 R2, 2003
Exchange Server - Exchange Server 2019/2016/2013/2010/2007/2003/2000/5.5 and 5.0