Despite numerous leaked screenshots and rumoured release dates, everyone is still waiting for the world's most famous productivity suite to hit Apple's tablet, and it looks like they'll be waiting a good while longer.
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He said: "I have nothing to say on that topic. We're very glad with the product, very happy with the product that we're putting in market."
Does it make sense?
"It makes sense on the devices like the Mac and the PC. We have a product that we think makes a lot of sense," Ballmer said.
Ballmer also pointed out that users can do limited editing of Office documents through the iPad's web browser and refused to rule out the launch of dedicated apps in the future.
He added: "We do have a way for people always to get to Office through the browser, which is very important. And we'll see what we see in the future."
Ballmer's comments do seem a little prickly, but he's probably right to be coy about the possibility of Office coming to Apple's iPad, given the lukewarm commercial reception given to his own Surface RT tablet.
However, it does seem like Big Steve might have jumped out of the wrong side of the bed on the day Businessweek pointed the tape recorder in his general direction.
In the same interview he slapped down Dropbox, referring to the cloud storage company, with 100 million users, as a "little start-up."