According to the rumour mill, Office for iPad will land this July. Unfortunately for Microsoft, not July 2010, when it might have mattered.

John Gruber explains the problem:

From what I’ve heard, Office for iPad is impressive. It’s been held up chiefly by internal politics.

Expanding on that a little, Microsoft has two major products: Windows and Office. For a long while, it wanted Office everywhere, but then for its own products unwisely forced Windows everywhere. The two collided, resulting in Microsoft holding back Office for iOS in order to use it as a differentiator for its own tablet devices.

This was a spectacularly dumb move, because it merely trained people that they didn’t need Office. Apple’s suite of office apps suffices for the most part on the iPad, and many people have also gravitated towards the free Google Docs, which works pretty well on tablets. But had Office arrived within months of the iPad’s release—or even a year—it could have been a game-changer and a cash-cow for Microsoft.

Even today, I don’t doubt that Office for iPad will sell to some extent. But I’ve a feeling it will—regardless of quality—in many cases sell to people who think they need it, but then don’t actually use it. In plenty of cases, though, I suspect people just won’t buy it at all, especially if it’s tied to a subscription service.

Still, at least Office for iPad will stop people arguing the iPad can’t be used for serious work—although they’ll no doubt smugly use the headline “Now Office for iPad is here, the iPad can finally be used for real work”, thereby leading them to be strangled with a spare iOS device charging cable.