The folder for the favorites is called "collections". I found it in "libraries" my main runtime and I was able to copy the shortcuts in it from poser 11. I've had no problem added to it either in the library or in windows explorer. If you do the latter, you'll probably need to refresh the library before it will show up.

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Available on Amazon for the Kindle E-Reader Monster of the North and The Shimmering Mage

Today I break my own personal record for the number of days for being alive.
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I use Poser 13 and win 10