ASKER
Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.
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Have a read of Demazter's article for details of what to do
https://www.experts-exchange.com/Software/Server_Software/Email_Servers/Exchange/A_2452-Backing-up-Exchange-2010-Information-Store-using-Windows-Backup.html
Alan