This lifecycle typically lasts for 5 years from the date of the product’s initial release.

Office for Mac 2011, like most Microsoft products, has a support lifecycle during which we provide new features, bug fixes, security fixes, and so on. 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 Mac from harmful viruses, spyware, and other malicious software. You'll no longer receive security updates. You'll no longer receive Office for Mac 2011 software updates from Microsoft Update.

But here's what the end of support means for you: Rest assured that all your Office 2011 apps will continue to function-they won't disappear from your Mac, nor will you lose any data. Support for Office for Mac 2011 ended on October 10, 2017.