Time to put a nice bow on this whole package. We did a full round trip of exporting data from Navisworks, adding some more data, and then bringing it back in to the Navisworks file. Here are some general grab bag thoughts and resources you can use.
This is a really powerful addition to the Navisworks solution. Having the ability to embed straight up data into the model should open a lot of potential opportunities for leveraging existing data in other formats.
The connection to your Excel file is live, as far as I can tell. Every time I made a change in Excel and then saved it, that change was immediately reflected in my Navisworks property (or at least I had to deselect the item and then select it again, and then I saw the new data). One thing to remind you about: watch out for your cell data type on the Excel file. If the column is “General” and you put a number in, Navisworks might add some decimal places to it. And a weird hiccup is when your entire column is all numbers except…