What is the difference between Office 2019 and Office 365? It was released to general availability for Windows 10 and for macOS on September 24, 2018. Office 2019 is the current version of Microsoft Office, succeeding Office 2016, Office 2013 and Office 2010. Microsoft 365 subscription (annual subscription).The latest version(s) of Microsoft Office now comes in 2 purchase options: Microsoft Office – Which is the latest version? 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 October 10, 2017.