Amazon.com: microsoft word for macbook - Macintosh OS. Skip to main content. Try Prime All Go Search EN Hello, Sign in Account & Lists Sign in Account & Lists Orders Try Prime Cart. Best Sellers Gift Ideas New Releases Whole. Microsoft AutoUpdate makes sure your copy of Office will always be up-to-date with the latest security fixes and improvements. If you are a Microsoft 365 subscriber, you'll also receive the newest features and tools. Check for updates and install. Open an Office app such as Word, then on the top menu, click Help Check for Updates.