Microsoft 365 Business are entry level plans for companies with up to 300 employees at low prices. See below plans and prices for Microsoft 365 Business.
Teams Essentials is the cheapest business plan that includes Office 365 Web Apps: Word, Excel, Outlook, PowerPoint, OneNote, as well as Teams, Exchange 2GB Inbox, OneDrive 10GB
Office 365 apps, web and desktop version such as: Word, Excel, Outlook, PowerPoint, OneNote, OneDrive with 1 TB are included in Microsoft 365 Apps for Business
For nonprofit organizations (nonprofits) there are business plans with the same features, but at reduced prices, to pay is only about 30%, Microsoft 365 Business Basic is free of charge.