Office 365 E3 (Monthly Pre-Paid)
The Office suite for PC and Mac with apps for tablets and phones, plus email, instant messaging, HD video conferencing, 1 TB personal file storage and sharing, and available add-ons like PSTN calling.
Microsoft 365 Apps for Business (Monthly Pre-Paid)
The Office suite for PC and Mac with apps for tablets and phones, plus 1 TB personal file storage and sharing. Does not include email service. For organizations with up to 300 users.
Enterprise Mobility + Security E3 (Monthly Pre-Paid)
Enterprise Mobility + Security E3 provides a convenient cost effective way for customers to purchase Microsoft's end user and device cloud services: Azure Active Directory Premium, Azure Rights Management, & Microsoft Intune.