Appending and merging models

…There are two different ways to bring new models into an existing Navisworks model.…One way is to append and one way is to merge.…The first question I had the first time I used Navisworks…was, what's the difference between appending a model and merging a model?…You might be asking too.…This actually has to do with the cleanliness of your models.…If you have errors in your Revit or AutoCAD models, consisting…of duplicate geometry, merging will remove these duplicates appending will not.…

As a practice, I actually prefer to append and keep my models clean.…This allows for faster opens and won't inadvertently remove objects.…So, let's open up Navisworks and append some NWC files.…In Navisworks go to the Home tab, on the Project panel we'll see the Append button.…Go ahead and click Append.…Scroll to the Directory where you kept your files.…Go to the Navisworks file.…Notice you can't see a lot of the files.…

That's because Navisworks has three separate file types.…Mine is looking for a Navisworks File Set.…I'm going to click the drop-down and I'm going to find Navisworks Cache.…