Read this Office Support article for information on features and functionality that have been discontinued or changed in SharePoint 2013.
- Document Workspace
- Meeting Workspace
- Organization Profiles
- Inserting Barcodes
- PowerPoint Broadcast from SharePoint
- Slide Libraries
- Web Analytics
- Refreshing connected workbooks using Windows authentication through Office Web Apps Server
- Search of RSS feeds
- Custom Help
- Group Work
- Personalization Site Template
- Visio Pivot Diagrams based on a SharePoint Task list
- Visual Upgrade
- Chart Web Part