1. Starting with an empty Basemap and click the Base Property icon on the Project tab. This will create a property boundary and enable the Import 3MX Layer icon on the Import tab

2. Click the 3MX Layer icon on the Import tab

3. When prompted, type the location for the 3MX file. The path will need to include forward slashes (/) instead of backslashes ( i.e., C:/Users/username/Desktop/FileName.3mx)

4. Press the OK button. This will load the file into the Basemap