The software giant enjoys Office 365 subscription-based momentum. Investors can safely say that Microsoft (NASDAQ:MSFT) has successfully navigated the transition of one of its most important products: Office. This is not a new storyline. The software giant launched the subscription-based version of its flagship productivity suite half a decade ago, but there had been some initial skepticism as to whether or not Microsoft could actually pull off the switch. At the time, customers could just pay a...