If you are looking for a tool import PST to Exchange 2010 archive mailbox when Exchange Server is online, then Exchange Import PST is the perfect software through which it is easily possible to carry out the whole process without hampering or altering any information. The software is works well with all the versions of Exchange, Outlook 32 bit as well as 64 bit and Win OS. Try free demo to convert 50 items of Outlook to Exchange and to know its other important features.