To export to a MicroDrainage (MDX) file:

1. Select the "File" tab.
2. Click "Export".
3. Select "MicroDrainage".
4. In the dialog that pops up:
   1. Select the "MDX" file type for export.
   2. Select the outfall of the network you wish to export.

Notes on Export

Not all features in MicroDrainage directly correlate to a feature in the Bentley application. Check User Notifications after export to see any data that was not exported or has been modified upon export to make sure the model is generated to your standards.