Office 365 Business Premium is now
Microsoft 365 Business Standard

Consists of

• OneDrive for Business - 1Tb Personal Online Document Storage 
• Exchange Online - 50Gb Mailbox for email, contacts, tasks and shared calendars
• Skype for Business - Web Conferencing, Instant Messaging, Online Meeting
• Sharepoint Online - Team Collaboration & Internal Portals
• Yammer Online - Private Corporate Social Networking 
• Microsoft 365 Apps-
  Word, Excel, Outlook, Publisher, PowerPoint, Access, OneNote