OST to PST 2013 Conversion software is fully compatible with all versions of Microsoft Exchange server 5.0/5.5/2000/2003/2007/2010/2013/2016 and MS Outlook 97/98/2000/2002/2003/2007/2010/2013 and 2016. The interface of OST to PST conversion tool is very much user-friendly and its features are easy-to-understand.