It won't open in Mail. It's a Quattro Pro spreadsheet. Microsoft Excel on the Mac won't open it, either. If you want to use it, it has to be saved in a different format on the computer from which it came, or you would have to get
MacLinkPlus to translate it.
Power Mac G5 1.8GHz DP, 1.5GB RAM Mac OS X (10.4.8)
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