1. Round Office button is removed and come up with commands for saving and printing documents.
2. The left navigation bar in Backstage View holds editing permissions, auto save versions, file size etc.
3. Paste-preview feature that lets you see the results before you commit.
4. Improved picture-editing tools allow you to preview and apply cropping and many new adjustments.
5. Text glowing effects.
6. Slideshow and picture editing tool.
7. Sparklines that lets you create miniature charts within a single cell,
8. Embedding Videos in Power Point and broadcast presentations
9. Feeds from social networks are invited into Outlook
10. More supports to web apps