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openoffice and ms-office both contain only a single question, and are rather addressing the documents to work with. I'd suggest to merge them into office (x9) and optionally make them a synonym to the same.
Disagree. They're completely different products and should not be conflated.
And, besides, I have re-tagged all of the office questions to ms-office, openoffice, or some other tag(s) if neither of those was appropriate.