Open Office is after many years of hard work still not up to snuff when compared with Microsofts suit. In part that's still due to the document formats not being really open (so there will always be implementation issues, some of the docs literally say 'do this like word 3 did it' or something to that effect). Another part is that it is simply a huge undertaking. The biggest advantage MS has over OO is Excel vs the O…
How many people use the features in Excel that are missing from OO? Surely it's a small percentage of the total number of Office licenses out there.
But it's a massive number of business users. Everyone at my company relies on at least one spreadsheet that has macros or complex pivot tables. It's a bit scary how much critical data is moving through Excel in the typical business. My understanding is that Wall Street relies pretty much runs on Excel.