Microsoft may be best served to find a solution and release a version of Office for the Apple iPad sooner than later, according to a report by TabTimes.com.

Financial firm Morgan Stanley speculates that Microsoft could generate $2.5 billion in sales if it would release an iOS app.

A rumored tiff between the firms over app submission fees is the supposed reason for the delay. While Microsoft’s CEO Steve Ballmer was not forthcoming on the topic, the firm’s moneyman, CFO Peter Klein, intimated that it could be coming sooner than later.

“We have a history of cross-platform delivery broadly in productivity, whether it’s Office on the Mac, or e-mail, communications, note-taking,” said Klein.