You can easily utilize the risk-free solution to migrate all of your Exchange OST file databases to another workable file format name as SysInspire OST to PST Converter Software. It has the capability to simply transfer all of the OST file inner elements such as- emails, contacts, chats, tasks, notes, journals, etc to an accessible PST file. With this tool, users can convert OST file with all its email properties like:- from, to, bcc, cc, size, and subject.
Read more about:- https://www.sysinspire.com/nsf-to-pst-converter/