Half the Microsoft 365 add on basket overlaps with the E3 or E5 plan the customer already pays for. Defender, Teams Phone, Power BI, and Intune sit inside the suite. The duplicate spend hides inside the renewal until procurement reads each SKU.
Microsoft 365 add ons overlap with the base plan more than most renewal teams expect. The E3 plan carries Defender for Office, Intune basic, Teams Phone Standard, and Power BI Pro. The E5 plan adds Defender for Endpoint, Audio Conferencing, Power BI Premium per user, and Purview eDiscovery.
The add on basket that sits next to the base plan often re sells features the customer already owns. The duplicate spend runs at ten to fifteen percent of the annual Microsoft invoice on a typical E3 or E5 estate.
Read this reference alongside the Microsoft knowledge hub, the Microsoft advisory practice, the EA renewal playbook, the Microsoft 365 license optimizer, and the Vendor Shield subscription.
The duplicate spend groups into seven buckets. Each bucket maps to a specific add on family that overlaps with the base plan or with a higher tier the customer already owns.
| Bucket | Add on SKU | Base plan that already covers it | Typical waste per user per year |
|---|---|---|---|
| Endpoint security | Defender for Endpoint Plan 1 or 2 | E5 includes Plan 2 | $60 to $84 |
| Mobile management | Intune standalone | E3 includes Intune Plan 1 | $30 to $48 |
| Voice | Teams Phone Standard | E5 includes Teams Phone | $96 |
| Analytics | Power BI Pro | E5 includes Power BI Pro | $120 |
| Conferencing | Audio Conferencing | E5 includes Audio Conferencing | $48 |
| Compliance | Purview eDiscovery Premium | E5 includes Premium | $36 to $72 |
| Copilot adjacents | Premium Outlook, Loop, Designer | Copilot for M365 already bundles | $36 to $60 |
Read the seven buckets against the deployed base plan SKU on every user count. The duplicate spend lights up the moment the comparison runs. Build the same comparison into the quarterly SAM review, not just the renewal.
The audit math runs against the deployed user count. A ten thousand seat E5 estate carries a different duplicate exposure than a fifty thousand seat E3 estate. Both wastes scale linearly with the user count.
| Estate | User count | Plan | Annual EA | Duplicate spend | Share |
|---|---|---|---|---|---|
| Mid market | 10,000 | E5 | $5.5M | $650K | 12% |
| Large enterprise | 50,000 | E3 plus add ons | $22M | $3.1M | 14% |
| Global enterprise | 100,000 | Mixed E3 and E5 | $48M | $5.8M | 12% |
Microsoft sells Copilot for Microsoft 365 at $30 per user per month. The basket bundles Loop, Designer, Premium Outlook features, and the Copilot inference layer. Customers often hold separate SKUs for Designer Pro or Premium Outlook at the time of the Copilot purchase.
The buyer side response is to read the Copilot for M365 SKU sheet line by line at every renewal. The bundle absorbs three to four adjacent SKUs that procurement otherwise re sells. Removing the adjacents at renewal recovers thirty to fifty dollars per user per year on top of the Copilot purchase.
The duplicate spend disappears cleanly at the EA renewal date with the right co term math. Mid term cancellation typically fails. The renewal window is the structural lever.
Run the SAM data refresh six months before the EA anniversary. The six month window leaves enough room to map the buckets, negotiate the removal, and document the change in the new order. The duplicate spend disappears on day one of the new term.
Microsoft resists straight add on removal. Three levers convert the resistance into a clean renewal outcome.
The duplicate add on basket is the cleanest renewal saving in the Microsoft estate. The seven buckets overlap the E3 or E5 plan the customer already pays for. The renewal anniversary is the structural lever. Read the seven buckets, time the removal, document the new order.
The eight step checklist is the buyer side starting position to remove duplicate Microsoft 365 add on spend at the next EA renewal.
The seven duplicate buckets are Defender for Endpoint, Intune standalone, Teams Phone Standard, Power BI Pro, Audio Conferencing, Purview eDiscovery Premium, and the Copilot adjacents Loop, Designer, and Premium Outlook. Each bucket carries a base plan that already covers the feature, typically E5 for the security and analytics buckets and Copilot for M365 for the productivity adjacents.
The duplicate spend runs at ten to fifteen percent of the annual Microsoft EA invoice. A ten thousand seat E5 estate at five and a half million dollars annual typically carries six hundred fifty thousand dollars of duplicate cost. A fifty thousand seat E3 plus add on estate carries three million.
Microsoft EA terms rarely allow mid term cancellation of add ons. The renewal anniversary is the structural lever. The buyer side response is to time the SAM refresh six months before the EA anniversary, map the seven buckets, and document the removal in the new EA order. The duplicate spend drops on the new term start date.
Copilot for Microsoft 365 at thirty dollars per user per month bundles Loop, Designer, Premium Outlook, and the Copilot inference layer. Customers often hold separate SKUs for these adjacents at the time of purchase. Read the SKU sheet line by line and remove duplicates at renewal. Recovery runs thirty to fifty dollars per user per year.
Microsoft resists straight add on removal at renewal. Three levers convert the resistance. Pair the removal with a Copilot for M365 commitment. Hold the E5 downgrade threat in the room. Document a competitive cloud path through Google Workspace or Zoom Phone. The combination typically clears the resistance and lands the duplicate spend removal in the new order.
Redress runs Microsoft 365 add on reviews inside Vendor Shield, the Renewal Program, the Benchmark Program, and the Software Spend Assessment. The work covers the SAM refresh, the seven bucket review, the duplicate spend total, the renewal calendar, the Copilot adjacency, and the negotiation levers. Always buyer side, never Microsoft paid.
Redress runs Microsoft 365 add on cleanup inside the Vendor Shield subscription, the Renewal Program, the Benchmark Program, and the Software Spend Assessment. Every engagement is led by a former Microsoft commercial executive on the buyer side.
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A buyer side reference on the EA renewal calendar, the seven duplicate add on buckets, the Copilot adjacency, and the alternative cloud leverage path.
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Open the Paper →The duplicate add on basket is the cleanest renewal saving in the Microsoft estate. The seven buckets overlap the E3 or E5 plan the customer already pays for. The renewal anniversary is the structural lever. Read the seven buckets, time the removal, document the new order.
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