If you lost your OST data and want to get it back soon then try PDS OST data recovery software which can smoothly recover OST file to PST even it is password protected. You can switch copy OST to PST with every minute email properties like to, cc, bcc, subject, date and time etc. OST to PST conversion software supports 2016,2013, 2010, 2007, 2003, 2000,97 OST versions.