In April 2017, Microsoft Exchange 2007 will reach it’s End of Life (EoL), meaning that support will no longer be available.
Microsoft recently issued the following statement in relation to this:
Almost all Microsoft products have a support lifecycle during which we provide new features, bug fixes, security fixes, and so on. This lifecycle typically lasts for 10 years from the date of the product’s initial release, and the end of this lifecycle is known as the product’s End of Life. When Exchange 2007 reaches its End of Life on April 11, 2017, Microsoft will no longer provide: