As a consultant, one of the most common things I still encounter is organizations running on Microsoft 365 Business Standard, Office 365 E3, or even older licensing combinations that were perfectly acceptable five or ten years ago. The reality is that the threat landscape has changed dramatically, and so have Microsoft's security and management capabilities.
My 2026 Baseline Recommendation
- Organizations under 300 users should consider Microsoft 365 Business Premium the minimum acceptable licensing baseline.
- Organizations above 300 users should consider Microsoft 365 E3 the minimum acceptable licensing baseline.
These are not merely nice-to-have licenses. They provide foundational identity, device management, security, and compliance capabilities.
July 2026 Licensing Changes Make the Baseline Conversation Even More Important
Microsoft's July 2026 commercial licensing updates change the baseline conversation. The update is not just a price adjustment. It is also a packaging change that expands what organizations receive in several Microsoft 365 suites. Pricing updates take effect for new purchases and renewals beginning July 1, 2026, while packaging updates begin rolling out around mid-2026 with tenant notice through Message Center.
Several changes reinforce the recommendation that Microsoft 365 Business Premium should be the practical SMB baseline and Microsoft 365 E3 should be the practical enterprise baseline:
- Business mailbox capacity: Microsoft 365 Business Basic, Business Standard, and Business Premium are expected to receive 100 GB primary mailboxes, reducing one historical reason some SMB users were moved to enterprise plans solely for mailbox storage.
- Office 365 E3 and Microsoft 365 E3 security uplift: Defender for Office 365 Plan 1 protections, including anti-phishing, Safe Links, and Safe Attachments, become more central to the E3 baseline conversation.
- Copilot Chat: Microsoft is adding Copilot Chat across Microsoft 365 plans, separate from the full Microsoft 365 Copilot license, making AI readiness another reason to clean up licensing strategy.
- Intune value in E3: Microsoft 365 E3 gains additional Intune-related value, potentially reducing dependence on some separate add-ons.
The Problem with Business Standard
At first glance, Microsoft 365 Business Standard appears attractive. It includes desktop Office applications, Exchange Online, Teams, OneDrive, and SharePoint. For many organizations, that looks like everything they need.
However, Business Standard focuses primarily on productivity and collaboration. It lacks many security and management controls organizations increasingly require, including Microsoft Intune, Conditional Access, Microsoft Defender for Business, Entra ID Plan 1, device management policies, Dynamic Groups, Windows Business licensing, and advanced identity capabilities.
Why Business Premium Should Be the SMB Standard
For organizations with fewer than 300 users, Microsoft 365 Business Premium delivers capabilities that many consultants previously purchased separately.
1. Intune Device Management
Business Premium includes Intune Plan 1, enabling organizations to manage Windows, macOS, iOS, and Android devices; deploy applications; configure security baselines; enforce compliance policies; and support remote-work scenarios. Without Intune, many SMBs rely on local administration, manual processes, or separate tools that increase operational risk and cost.
2. Conditional Access
If there is one feature I consider mandatory today, it is Conditional Access. Business Premium includes Entra ID Plan 1, providing Conditional Access, Dynamic Groups, Administrative Units, Password Protection, Terms of Use policies, and External ID capabilities. These controls help organizations enforce MFA, require compliant devices, and restrict access based on defined conditions.
3. Defender for Business
Many small businesses still purchase separate antivirus solutions while overlooking what Microsoft already provides. Business Premium includes Defender for Business, endpoint detection and response, threat detection, and endpoint investigation capabilities. For many SMBs, this can reduce dependence on traditional antivirus products while providing broader protection against modern attacks.
4. Windows Business Licensing
Business Premium includes Windows Business rights and supports security controls such as BitLocker, AppLocker, Application Control, and modern management integration. These capabilities help organizations strengthen endpoints without assembling multiple standalone products.
5. Better Cyber Insurance Alignment
Cyber insurance questionnaires commonly ask about MFA, device management, encryption, endpoint protection, Conditional Access, and centralized security controls. Business Premium includes tools organizations can use to implement many of these safeguards.
Why Office 365 E3 Is No Longer Enough
Office 365 E3 remains widely deployed and provides Office applications, email, SharePoint, Teams, and other productivity workloads. While valuable, it lacks many of the identity, endpoint management, Windows, and security capabilities included in Microsoft 365 E3.
Organizations frequently purchase Intune, Entra ID Plan 1, endpoint management tools, Windows Enterprise licensing, and security add-ons separately. At that point, the licensing strategy can become more expensive and more complex.
Why Microsoft 365 E3 Should Be the Enterprise Floor
Microsoft 365 E3 combines Office 365 E3, Enterprise Mobility + Security E3, Windows Enterprise E3, and Intune into a unified licensing platform.
1. Enterprise Identity Protection
Microsoft 365 E3 includes Entra ID Plan 1 capabilities such as Conditional Access, Dynamic Groups, Self-Service Password Reset, Administrative Units, and identity governance capabilities. In modern enterprises, identity is the security perimeter, making these controls foundational.
2. Defender for Office 365 Plan 1 Now Included
One of the most important July 2026 changes is the inclusion of Defender for Office 365 Plan 1 in Microsoft 365 E3 and Office 365 E3. This closes an email security gap that previously required many organizations to purchase the product separately.
- Safe Links for time-of-click URL protection
- Safe Attachments for unknown and zero-day malware protection
- Advanced anti-phishing protections for impersonation and spoofing attempts
- Expanded security visibility and reporting in the Microsoft Defender portal
This matters because phishing, malicious links, QR-code abuse, and attachment-based attacks remain common entry points for compromise. For E3 customers, Defender for Office 365 Plan 1 should become part of the default baseline discussion rather than a separate optional add-on.
3. Enterprise Mobility and Intune Updates
Microsoft 365 E3 already includes Intune Plan 1 for modern endpoint management, but the July 2026 updates also strengthen the Intune value story by adding capabilities to eligible E3 tenants.
- Intune Plan 2 capabilities for expanded endpoint management scenarios
- Intune Remote Help for remote assistance workflows
- Intune Advanced Analytics for deeper endpoint insights
- Additional Intune Suite capabilities that may reduce the need for separately licensed add-ons
At renewal, organizations should compare current Intune add-ons, remote support tools, endpoint analytics tools, and device management investments against what is included or becoming available in the E3 baseline.
4. Windows Enterprise
Windows Enterprise provides Credential Guard, BitLocker, AppLocker, Application Control, Attack Surface Reduction capabilities, and other enterprise security controls. These technologies are critical for reducing credential theft and ransomware exposure.
5. Compliance and Information Protection
Microsoft 365 E3 includes Data Loss Prevention, Retention Labels, Retention Policies, Information Protection, and eDiscovery Standard. As regulatory and governance requirements increase, these tools are becoming essential rather than optional.
6. Future Readiness
Organizations planning for Microsoft Copilot, Zero Trust initiatives, device compliance, secure remote work, and advanced governance are in a significantly better position when starting from Microsoft 365 E3 rather than an Office 365-only licensing model.
The Real Cost Question
Many decision-makers focus exclusively on monthly licensing costs. The better question is: What is the cost of not having these capabilities?
- A ransomware incident
- Business email compromise
- Data leakage
- Unmanaged devices
- Failed compliance audits
- Cyber insurance penalties
The incremental licensing cost of Business Premium or Microsoft 365 E3 is often lower than the operational and security risk created by operating without modern management and protection capabilities. After the July 2026 updates, this discussion should also include the value of newly bundled features because some organizations may be able to retire overlapping add-ons.
Final Thoughts
When I perform Microsoft 365 assessments, licensing is one of the first things I review. Licensing is no longer just about giving users Word, Excel, Outlook, and Teams. It has become one of the most important security decisions an organization makes.
For organizations under 300 users, Microsoft 365 Business Premium should be the baseline.
For organizations over 300 users, Microsoft 365 E3 should be the baseline.
Everything above those levels, including Microsoft 365 E5, adds valuable advanced security, compliance, analytics, and threat-hunting capabilities. Business Premium and Microsoft 365 E3 represent the point where organizations gain the identity, device management, endpoint security, compliance, and Windows capabilities needed for a modern Zero Trust environment.
In 2026, productivity alone is no longer enough. Security, management, identity, and compliance must be part of the licensing conversation from day one.
2026 Renewal Review Guidance
- Validate current mailbox quotas and tenant rollout status.
- Do not remove Exchange Online Plan 2 or archive-related licensing solely because Business mailbox capacity increases. Confirm whether archive, retention, compliance, or recoverable-item requirements still require those capabilities.
- Check whether Defender for Office 365 Plan 1 add-ons remain necessary after the E3 packaging update applies to the tenant.
- Review Intune-related add-ons for Microsoft 365 E3 users to determine whether updated packaging changes the renewal strategy.
- Compare separately purchased security, endpoint management, archiving, remote support, and productivity tools against updated suite entitlements.
- Use the renewal event to standardize the licensing baseline instead of carrying forward legacy combinations.