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Administrators who move to Office 365 need to acclimate themselves to the nuances of the SaaS-based cost structure...
on Microsoft's cloud platform -- or ignore it at their budget's peril.
Office 365 is an attractive option for a business with an older Exchange Server platform winding down on its lifecycle. Microsoft offers several different subscriptions that charge a flat rate, but some a la carte services cost extra. With that in mind, admins must also monitor these additional Office 365 costs to ensure they don't spiral out of control.
Admins can't predict the overall total cost of ownership over several years without first evaluating several areas. For one, Office 365 offers more services bundled together under different plans. Microsoft considers some of these add-ons that require additional purchases, which adds complexity to Office 365 licensing.
IT decision-makers must evaluate what they need from Office 365, and that includes a careful cost analysis and upfront sizing -- this consists of provisioning of cloud services, migration work and third-party services for Office 365 backups. For most IT projects, the business only approves a technology purchase or investment when tangible returns justify the project's costs. As a result, admins should review all aspects of Office 365 costs, including the areas listed below.
Define the right licenses for the right users
Identify the Office 365 licenses that each user needs based on their roles and requirements. Map out which plans go to what users to lock in Office 365 costs. Not every user needs the more advanced services, such as the analytics product Power BI Pro. Put users in categories, then determine the appropriate license for each group.
The Office 365 Enterprise E3 plan costs $20 per user per month and includes services such as the on-premises Office suite, Skype calling and Sway presentation app -- which is overkill for some workers. Some users don't need the on-premises Office applications; for those employees, Microsoft offers an Enterprise E1 plan that costs $8 per user per month.
Perform frequent audits
When a business moves to Office 365, the IT team needs to learn how to manage and monitor the platform's services. Admins should use Office 365's reports to conduct a quarterly or even monthly review of licensing use.
The Office 365 adoption content pack in Power BI builds customized dashboards that provide insights into application activations and how departments and locations use Office 365. Admins should use this data to find underutilized services to discern if employees can work without some services to reduce costs.
Monitor services with variable costs
Every Office 365 subscription goes for a flat rate, but additional workloads bring extra charges. Advanced features -- such as Advanced Threat Protection, Advanced Security Management, Cloud PBX and Power BI -- often make Office 365 costs add up.
For example, the public switched telephone network feature in Office 365 Enterprise E5 often brings extra expenses. Workers get a set number of minutes for domestic and international calls, but when users exceed that limit, Microsoft adds additional charges to the monthly bill. Admins must monitor consumption to ensure these variable Office 365 costs don't get out of hand.
Take advantage of licensing tools
The Office 365 license manager in the admin portal lets administrators assign licenses and see the current consumption of licenses, which makes the assignment process less confusing. Admins well-versed in PowerShell also have the option to allocate licenses via that management tool. Microsoft additionally provides a group option based on the categories created by the IT department.
Prepare well before an Office 365 move
Find tips on the Office 365 migration process
Different rules for Office 365 VDI deployment