Even given theĀ lackluster sales of its Surface tablet, Microsoft (NASDAQ:MSFT) just had a great first quarter. Revenue is up, margins are solid, and the company is sitting on a gigantic stack of cash.

The reasons for Microsoft's continued growth aren't as glamorous as a heavily publicized tablet, but they could help keep the company afloat while it works on reaching the top of the tech industry once again. In the video below, Fool contributor Caroline Bennett takes a closer look at Microsoft's successful quarter.

Fool contributor Caroline Bennett has no position in any stocks mentioned. The Motley Fool owns shares of Microsoft. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.