LYRX files can store multiple layers and/or multiple group layers at the root level. LYR files are the extension used in Esri's ArcGIS versions 10. X and ArcGIS Desktop. LYR files can only store a single layer or a single group layer at the root level. A group layer can have multiple layers or group layers within it.
A .lyrx file is a layer file created with ArcGIS Pro that stores a reference to a layer or group of layers, along with other properties:
What it contains
A .lyrx file contains a reference to a shapefile or feature class, as well as properties like symbology, view scales, and definition queries.
How it works
When a .lyrx file is loaded into a map, the feature class is retrieved and the properties
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