Microsoft is making big changes to buy project 2013 professional . The organization announced new developer tools, software and capabilities at its SharePoint Conference in Las Vegas, which began today.

"Whether you are creating a mobile app that wishes to connect to high-value data and services in Office 365, developing rich integration into Office experiences having a custom app for Office, or developing Cloud Business App projects that integrate with SharePoint, today's releases enable developers to connect towards the Office ecosystem in new and exciting ways," wrote S. Somasegar, VP of microsoft office 2010 developer division, on his company blog.

Today's announcement included a preview of Office 365 REST APIs as well as an update to Office developer tools for Visual Studio 2013.

The office 2013 home and business REST APIs include APIs for working with Calendar, People, Mail and Files, and for exposing data spanning Exchange Online, SharePoint Online, Azure Active Directory and OneDrive for Business, according to Microsoft.