Gartner Research

Drive Down Costs for External Users by Choosing Between Microsoft Office 365 and On-Premises Licensing

Published: 19 December 2014

ID: G00263560

Analyst(s): Dolores Ianni , Marie Sienkowski, Frances O'Brien, Ben Jepson , Alvin R. Park


Licensing Microsoft Office 365 for nonemployees such as business partners, customers and consultants can be accomplished using several different methods. IT procurement professionals who choose the right option could decrease their licensing costs and exposure to out-of-compliance software issues.

Table Of Contents
  • Key Challenges



  • Compare Microsoft's Online Services Terms in Detail With Its On-Premises Usage Rights for External Users to Identify the More Advantageous Way to License
  • Evaluate Both On-Premises and Online Licensing Costs for External Users to Optimize Costs and Avoid Compliance Risks
    • Scenario One — Exchange Online Plan 1
    • Scenario Two — Exchange Online Plan 2
    • Scenario Three — SharePoint Online Plan 2
    • Scenario Four — Lync Online Plan 2

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