Recently we announced a new public update to Excel 2013 that includes major stability and usability improvements in Self Service BI scenarios—especially when Power Query, Power Pivot and Power View are involved. For this release we eliminated over 120 bugs, crashes and hangs and introduced two new important usability improvements that aim to make the analysts’ work smoother.
If you have automatic updates enabled for your Office 365 subscription, you should receive the latest Excel update soon. If you don’t have automatic updates enabled in Excel, go to File > Account > Update Options > Update Now.
For more information on the content being included in this update, please read the official announcement on the Power BI blog.