Life will be easy now…
Microsoft has released Microsoft Exchange PST Capture.
Microsoft Exchange PST Capture is used to discover and import .pst files into Exchange Server or Exchange Online
Download Microsoft Exchange PST Capture
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=28767
Documentation:
http://technet.microsoft.com/en-us/library/hh781036.aspx
Cheers,
Microsoft exchange allowsemployees to collaborate on different projects by sharing tasks, calendars and important tasks.