Exchange Outlook OST in Use - Version 3.3 Use Exchange Outlook OST File tool to recover Exchange server often need to move their message, contacts and calendar files to a standard version of Outlook. It is necessary to convert the Exchange files with an .ost extension to files with a .pst extension or other two extra formats like .eml extension and .msg extension which are used by Outlook. For the user simplification company also provide demo version software. OST to PST 2007 Free tool provide a utility to recovery corrupt OST data from Exchange server and make to again open this file in Outlook 2010(32 bit), Outlook 2007, Outlook 2003, 98, 97 etc. It gives a complete preview of full version software. Demo version software is use to recover only some bit of data from OST file. If user wants recover bulk of information at one time then go on web site and purchase OST to PST 2007 Free software only $99. For more info:-http://www.exchangeostrecovery.net/