Two years ago, Microsoft made a massive shift in the way it approached the email market.

Outlook’s marquee functionality on mobile was a Focused Inbox that divided a user’s incoming messages by whether or not the app thought they were important — and it worked shockingly well.

Staying competitive in the email market is important for Microsoft because it’s facing competition from the likes of G Suite, with its machine-learning enhanced Inbox offering.

Microsoft wasn’t starting from scratch with the new Outlook mobile apps.

The acquisition was spearheaded by Executive Vice President Qi Lu, who was in charge of Microsoft’s Applications and Services Group.

Javier Soltero, who was the startup’s CEO, was put in charge of Outlook's mobile apps following the acquisition.

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