Now that you know how to publish a layer as either a layer file or a web layer, is it possible to publish an entire map to ArcGIS Online? Well, of course you can. Just like a layer, you can publish a map as as map package or as as a web map.
Publishing a map as a map package uses the same basic procedure as publishing a layer package. It packages the entire map including layer properties and data into a single MAPX file. You can then upload that to ArcGIS Online, so others can download it just as they would a layer package. While certainly a valuable tool in your arsenal, it does have limited use. Publishing a web map offers much more flexibility.
A web map can be accessed and used multiple ways. You can add it to a project in ArcGIS Pro, or incorporate it into a web application so it can be used via a web browser and be part of a mobile application. Depending on the settings you configure, users might be able query, print, edit, and download the data using any or all of...