MSPoweruser published a story that Microsoft has released a new Office preview build for Mac users.

Microsoft releases Office Version 16.64 (Build 22080400) for Mac users

Microsoft is rolling out a new Office Preview build for Current Channel Insiders. The new Current Channel Office Preview update comes with Version 16.64 (Build 22080400) and adds new text and array manipulation functions, the ability to favorite a folder in a shared or delegated account in Outlook.

Microsoft releases Office Version 16.64 (Build 22080400) for Mac users - MSPoweruser