Here are some useful tips to ensure that Vectorworks in your computer is running at its most optimum
Go to Vectorworks Preferences… > Display and select “Best Compatibility” for Navigation Graphics
Note: Applicable to Vectorworks 2017 onwards only
Ensure the right settings in the edit references via Tools > Organisation… > References > Edit
If performance does not improve significantly, try and limit the information on each design layer, e.g. create separate design layers for each room such as Kitchen, Pantry, Laundry, etc.
You could also separate the file into multiple smaller files , e.g. west areas, dry areas, etc.