Microsoft’s big changes to Outlook don’t end with an updated iOS app - Outlook’s Mac version will also get a major facelift in October, just in time for Apple’s macOS Big Sur release.Īnnounced as part of Microsoft’s Ignite developer conference, the new Outlook features new icons that more closely tie-in to the rest of the company’s apps, along with lots of rounded corners and semi-translucent panels to let whatever’s behind the app shine through slightly.