If you are finding the exporting of forecasts or copy forecasts rather slow, we suggest upgrading your SQL Server from the standard LocalDB to SQL Express.
You can download a version from here.
Observed improvements on speed:
|Local DB||SQL EXPRESS|
|New forecast creation||13 sec||5 sec|
|import forecast||1 min 30 sec||45 sec|
|export forecast||8 min 51 sec||5 sec|
Once SQL Express is installed, you will need point Forecast 5 to new the SQL installation and create a Forecast 5 database: