Is there a tool that can help bring back the permanently deleted mails? Yes, Exchange EDB Repair Tool is the one you need. It allows instant retrieval as well as migration while keeping the properties, formatting and structure of files in order. It has wide ranging compatibility with different versions of MS Exchange Server i.e. 5.0, 5.5, 2000, 2003, 2007, 2010, 2013 and 2016. Find out more about the tool at: www.exchange.edbrepairtool.com.