The speed of mail and appointment synchronization is faster in the new Outlook for Mac program. Here are five things to remember when working with the 'new' Outlook for Mac app. SEE: Microsoft HoloLens 2: An insider's guide (TechRepublic download) When announcing the new Outlook version, Microsoft Tech Community author Jessica Wilczek noted the new version 'brings updates across Mail, Search, and Calendar experiences that are designed for simplicity, reliability, and customization.' While new features are often eye candy offering an updated user interface (UI), Microsoft's November Outlook for Mac updates showed significant performance improvements and important new features-the goal is improved performance and productivity. In early November 2019, Microsoft introduced the new Outlook for Mac features for those who had joined the Office Insider program. Most business professionals recognize Outlook for Mac as a standard corporate email client, but many may not be aware Microsoft has a free program called Office Insider that provides early access to new releases.