This lifecycle typically lasts for 10 years from the date of the product’s initial release. Office 2007, like most Microsoft products, has a support lifecycle during which we provide new features, bug fixes, security fixes, and so on. You'll no longer be able to download Office 2007 from the Microsoft web site. In fact, most online help content will be retired. No further updates to support content will be provided. You'll no longer receive phone or chat technical support. Security updates are what help protect your PC from harmful viruses, spyware, and other malicious software. You'll no longer receive security updates. You'll no longer receive Office 2007 software updates from Microsoft Update.
Tip: Not sure what version of Office you have? See Find details for other versions of Office to help you determine what version you're currently running.