Question: how to open .mxd file in arcgis?
Answer: To bring your ArcMap, ArcGlobe, and Scenes into ArcGIS Pro, just click Import Map on the Insert tab. You can also drag and drop the map documents from the ArcMap Catalog window to the ArcGIS Pro Catalog pane or Catalog view. When you import a map document (. mxd), each data frame is imported as a separate map.