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Office 365 Subscriptions Guide

A reference guide to understand the exact differences and inclusions within Microsoft's main subscription tiers.

Office 365 A1

Free basic plan for students and faculty. Fully cloud-based with no desktop install capability.

  • Web versions of Word, Excel, PowerPoint
  • 50 GB Exchange email inbox
  • Microsoft Teams
  • 100 GB OneDrive storage limit
  • NO Desktop App installations
Popular

Office 365 A1 Plus

Legacy free plan that included full desktop apps. Microsoft is actively retiring this license globally.

  • Web & Desktop versions of Office Apps
  • Install on up to 5 PCs/Macs per user
  • 50 GB Exchange email inbox
  • 1 TB to 5 TB OneDrive storage
Notice: Microsoft officially retired the A1 Plus program globally on August 1, 2024.

Office 365 A3

Premium academic plan with desktop apps and advanced security/management tools.

  • Web & Desktop versions of Office Apps
  • Install on up to 5 PCs/Macs per user
  • 100 GB Exchange email inbox
  • 1 TB to 5 TB OneDrive storage
  • Windows 10/11 Education upgrade
Ultimate

Office 365 A5

The highest tier for education. Includes everything in A3 plus ultimate security and voice.

  • Everything in A3
  • Microsoft Defender for Office 365
  • Power BI Pro included
  • Advanced compliance & telephony

Office 365 E1

Basic enterprise plan. Cloud-based services without desktop app installations.

  • Web & Mobile versions of Office Apps
  • 50 GB Exchange email inbox
  • 1 TB OneDrive storage
  • NO Desktop App installations

Office 365 E3

The standard enterprise tier. Desktop apps and advanced security tools.

  • Web & Desktop versions of Office Apps
  • Install on up to 5 PCs/Macs per user
  • 100 GB Exchange email inbox
  • 1 TB to 5 TB OneDrive storage
  • Core security & compliance tools
Ultimate

Office 365 E5

The absolute highest tier for businesses. Unmatched security, voice, and analytics.

  • Everything in E3
  • Microsoft Defender (Full Suite)
  • Power BI Pro included
  • PBX Phone System & Audio Conferencing

Business Basic

Essential cloud services for businesses with up to 300 employees. Web apps only.

  • Web & Mobile versions of Office Apps
  • 50 GB Exchange email inbox
  • 1 TB OneDrive storage
  • Up to 300 users limit
  • NO Desktop App installations
Most Popular

Business Standard

The most common small/medium business plan with full desktop apps.

  • Web & Desktop versions of Office Apps
  • Install on up to 5 PCs/Macs per user
  • 50 GB Exchange email inbox
  • 1 TB OneDrive storage
  • Webinars and advanced Teams

Business Premium

Everything in Standard, plus advanced cyber threat protection and device management.

  • Everything in Business Standard
  • Microsoft Defender for Business
  • Intune PC & Mobile device management
  • Entra ID (Azure AD) Premium P1

Microsoft 365 Basic

Entry-level consumer plan upgrading free accounts with ad-free email and more storage.

  • For 1 person
  • 100 GB OneDrive storage limit
  • Ad-free Outlook email & calendar
  • Web versions of Office Apps only
  • NO Desktop App installations

Microsoft 365 Personal

Consumer plan for a single individual with full desktop apps and large cloud storage.

  • For 1 person
  • Full Desktop Apps (Word, Excel, PowerPoint)
  • 1 TB OneDrive storage limit
  • Ad-free Outlook email & calendar
  • NOT for commercial use
Best Value

Microsoft 365 Family

Consumer plan designed to be shared with up to 6 people.

  • For 1 to 6 people
  • Full Desktop Apps for every user
  • 1 TB OneDrive storage per person (6 TB total)
  • Microsoft Family Safety app
  • NOT for commercial use

Microsoft 365 F1

Basic plan constructed strictly for frontline and shift workers with very minimal storage.

  • Web & Mobile Office Apps only
  • 2 GB Exchange email inbox
  • 2 GB OneDrive storage limit
  • Teams functionality tailored for shift workers
  • NO Desktop App installations
Most Used

Microsoft 365 F3

Advanced frontline worker plan featuring Windows Enterprise and enhanced security administration.

  • Web & Mobile Office Apps only
  • 2 GB Exchange email inbox
  • 2 GB OneDrive storage limit
  • Includes Windows 11 Enterprise (E3)
  • Intune & Advanced Threat Analytics
  • NO Desktop App installations
Checker Target

Microsoft 365 Developer E5

Unbelievably popular. A free 90-day renewable license offering full E5 capabilities intended solely for developers.

  • Web & Desktop versions of Office Apps
  • Install on up to 5 PCs/Macs per user
  • Up to 25 separate users (domain-linked)
  • 1 TB to 5 TB OneDrive storage per user
  • Full Azure AD / Entra ID premium access
Note: Since early 2024, Microsoft has blocked creating new Developer E5 accounts, making existing ones highly valuable.

Exchange Online (Plan 1 & 2)

Specific plans designed strictly for custom email hosting without any real Office app bundles.

  • Hosted custom email server configuration
  • 50 GB Inbox (Plan 1) / 100 GB Inbox (Plan 2)
  • Built-in Data Loss Prevention (Plan 2)
  • In-Place Hold & eDiscovery capabilities
  • NO Word, Excel, Desktop or Web Apps

M365 Apps (Business/Enterprise)

Provides the full desktop Office suite but absolutely zero email hosting.

  • Web & Desktop versions of Office Apps
  • Install on up to 5 PCs/Macs per user
  • 1 TB OneDrive storage
  • NO Exchange email inbox assigned
  • NO Microsoft Teams

Standalone Storage Plans

OneDrive for Business (Plan 1/2) and SharePoint Online strictly for cloud data storage.

  • Massive file-sharing capabilities
  • 1 TB storage (Plan 1) per user
  • Unlimited storage (Plan 2 with 5+ users)
  • NO Word, Excel, or PowerPoint apps
  • NO Exchange email inbox

Specialized Software Plans

Dedicated subscriptions for exact corporate tools like Project, Visio, or Power BI.

  • Project Plan 1/3/5 (Gantt, Planning)
  • Visio Plan 1/2 (Flowcharts, Diagrams)
  • Power BI / Dynamics 365 Access
  • Usually excludes standard Office Web/Desktop apps
  • Usually excludes standard email