Hi Derek
I also got the same results, no matter what the Excel settings are. You might consider opening a Support ticket to see if this is something that could be addressed, if you like.
You could write a simple macro for lines that have blank values on a row that has a work center, swap it to blank. But I realize it's another step.
As another option, I thought the same as Maria - a Query would work. If you want to do an update the way you are envisioning, you would need to reformat the lines for the same work center to have all control capacity fields to be on the same row. Query will output it one row per capacity, so that's why you are getting multiple rows on some work centers, because multiple capacities have been setup.
HTH,
Sigrid
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Sigrid Kok
pse | Winshuttle North America
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