This affects customers of all license types: Retail, Office 365 Consumer, Office 365 Commercial, and Volume License installations. SummaryĮxisting Office 2016 for Mac customers will be seamlessly upgraded to 64-bit versions of Word, Excel, PowerPoint, Outlook, and OneNote as part of the August product release (version 15.25). For more information about this change, read this blog post. Office 365 ProPlus is being renamed to Microsoft 365 Apps for enterprise.