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Microsoft 365 Selection Guide

Choose the right Microsoft 365 plan for your business needs and budget. We cut through Microsoft's marketing to give you practical recommendations. No obligation. Senior NZ engineers, not a triage script.

Basicweb and mobile Standarddesktop apps Premiumwhat most need E3 / E5enterprise scale

Microsoft 365 offers powerful productivity and security tools, but with multiple plans and add-ons, choosing the right combination can be confusing. This guide helps you understand what each plan includes, what your business actually needs, and where to invest for the best return.

We will cut through Microsoft's marketing to give you practical recommendations based on business size, security requirements, and budget.

The short answer for most SMBs: Microsoft 365 Business Premium. It includes the desktop apps, advanced security features, and device management that businesses need. The price difference from Business Standard is worth it for the security alone.
At a glance
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The plans at a glance

What each includes

Here is what each Microsoft 365 business plan includes and costs. Prices shown are approximate NZD and subject to change. Contact us for current pricing.

Business Basic
~$10 /user/month
Web and mobile apps only. Good for users who just need email and basic collaboration.
  • Exchange email (50GB)
  • Web versions of Office apps
  • Teams
  • SharePoint & OneDrive (1TB)
  • Desktop Office apps
  • Advanced security
Business Standard
~$20 /user/month
Adds desktop apps. The traditional Office experience for knowledge workers.
  • Everything in Basic
  • Desktop Office apps
  • Webinar hosting
  • Bookings
  • Advanced security
  • Device management
Business Premium
~$36 /user/month
The complete package with advanced security. What most businesses actually need.
  • Everything in Standard
  • Defender for Business
  • Intune device management
  • Azure AD Premium P1
  • Conditional Access
  • Information protection
Enterprise E3
~$62 /user/month
For larger organisations needing unlimited archive and advanced compliance.
  • Unlimited email archive
  • eDiscovery Standard
  • Data Loss Prevention
  • Windows 11 Enterprise
  • Defender for Endpoint P2
  • Advanced threat hunting
Match yourself
§02

Which plan is right for you?

By business profile
1 to 10 staff
Small business
Small team, straightforward needs. If most staff work from one location and do not handle sensitive data, Standard works. If you have remote workers or handle client data, go Premium.
Business Premium
10 to 50 staff
Growing business
Multiple departments, a mix of roles. Business Premium gives you the security baseline and device management you need at this scale. The Intune integration alone is worth the premium.
Business Premium
Professional services
Law, accounting & consulting
Handling confidential client information with professional obligations. Business Premium provides the encryption, access controls, and audit capabilities you need. Consider E3 for unlimited email archive.
Premium or E3
Healthcare
Medical practices
Handling patient data with strong privacy controls and audit capabilities. Business Premium minimum, but E3 may be required for full compliance depending on your specific requirements and audit needs.
E3 with compliance add-ons
Remote / hybrid
Distributed workforce
Staff working from home, client sites, or on the road. Business Premium is essential. Conditional Access, Intune, and Defender mean you can enforce security regardless of location.
Business Premium
50+ staff
Enterprise
A larger organisation with dedicated IT. Move to E3 for unlimited archive and better compliance tools. Add E5 Security for higher threat profiles or regulatory requirements.
E3 or E5
Side by side
§03

Key features comparison

The features that matter
FeatureBasicStandardPremiumE3
Desktop Office appsNoYesYesYes
Email storage50GB50GB50GB100GB + unlimited archive
OneDrive storage1TB1TB1TBUnlimited
Multi-factor authenticationBasicBasicAdvancedAdvanced
Conditional AccessNoNoYesYes
Device management (Intune)NoNoYesYes
Endpoint protection (Defender)NoNoYesYes
Data Loss PreventionNoNoBasicFull
eDiscoveryNoNoBasicStandard
Extend it
§04

Common add-ons worth considering

Where you need more

Microsoft Copilot

AI assistant integrated across Office apps. Helps with writing, analysis, and productivity.

~$30/user/month

Defender for Office 365 P1

Advanced email protection with Safe Links, Safe Attachments, and anti-phishing. Essential add-on for Business Standard.

~$3/user/month

Entra ID P2

Identity protection, privileged identity management, and access reviews. For higher security requirements.

~$15/user/month

Teams Phone

Cloud PBX for Teams. Replace your phone system with Teams calling.

~$16/user/month + calling plan

Power Automate

Workflow automation across Microsoft and third-party apps. Included basic in most plans, per-user licence for advanced.

~$24/user/month for premium

Compliance Manager

Track compliance across frameworks. Included in E3 and E5, an add-on for Business plans.

Varies by compliance needs
Add-on trap: It is easy to spend more on add-ons than the price difference to the next tier. Before adding Defender for Office 365 and Intune separately to Business Standard, just upgrade to Premium, you will get more for less.
Our take
§05

Our recommendations

Where to land

For most businesses: Business Premium

The security features in Business Premium (Defender, Intune, Conditional Access) are not nice-to-haves, they are essential in today's threat environment. The $15/user/month difference from Standard pays for itself the first time you block a phishing attack or remotely wipe a lost laptop.

Mix licences where appropriate

Not everyone needs the same licence. Your CEO might need Premium or E3, but your warehouse staff might only need Business Basic for email. We often see organisations with a mix, Premium for knowledge workers, Basic for operational staff, and E3 for executives and IT.

Do not forget configuration

The licence is just the start. Business Premium includes powerful security tools, but they need to be configured correctly. Conditional Access policies, Defender settings, and Intune device profiles all require expertise to implement properly. A misconfigured Premium licence provides less protection than a well-configured Standard one.

Review annually

Microsoft frequently updates licensing and moves features between tiers. What made sense last year might not be optimal now. We recommend reviewing your Microsoft 365 licensing annually to ensure you are getting value and not paying for features you do not use, or missing features you need.

More from Belton
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Related resources

Keep reading

Need help
choosing?

We will review your current setup, understand your requirements, and recommend the right Microsoft 365 configuration, including a licensing strategy that balances security, productivity, and cost.

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