The update package size does not change between 32-bit and 64-bit versions. Depending on which version is installed on the local computer, MAU will offer either a delta or full update. Deployment options for the 64-bit update AutoUpdate (MAU)Ĭustomers who use Microsoft AutoUpdate (MAU) to keep their Office applications up-to-date will see a 'regular' monthly update notification when their selected channel is upgraded to 64-bit builds. 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.