| Great work!
I've been working to add my quick view stuff to this new version, and just adding it in caused the "too many formats" error. I got around it by going in and stripping all of the formatting from the hidden sheets, since the stuff nobody sees doesn't usually need to look great. It can still be bodered and made bold or italic for readability.
I don't know if that would be enough to let older excel open the combined version or not, but it might be worth looking into. That way you've only got a single file to update when changes are made, and there's no chance of the two accidentally drifting apart. | 
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