Identify Deployment and Update Channels for Microsoft 365 Apps
With newer versions of Office Professional (starting with the 2019 version) and all versions of Microsoft 365 Apps (formerly Office 365 ProPlus), Microsoft has shifted from using legacy Windows Installer (MSI) packages to a new deployment methodology and packaging system: Click-to-Run (C2R).
Product Detail
Visio and Project are not included with Microsoft 365 Apps. These products are available separately for purchase.
C2R installations are primarily designed to use the Microsoft Content Delivery Network (CDN) to stream the installation media to endpoints. C2R deployments can also be configured to cache content on a local network share to minimize the internet bandwidth for clients.
The Microsoft 365 Content Delivery Network
Microsoft uses a distributed CDN to deliver content and updates for Microsoft 365 Apps. Individual clients typically need access to the CDN to install the Microsoft 365 Apps software,...