specification: FinOps Framework specificationVersion: '1.0' schema: https://www.finops.org/framework/ alignedWith: framework: FinOps Foundation Framework frameworkUrl: https://www.finops.org/framework/ dataSpec: FOCUS dataSpecVersion: '1.3' dataSpecUrl: https://focus.finops.org/focus-specification/v1-3/ provider: Microsoft Excel providerId: microsoft-excel publisherName: Microsoft Corporation serviceCategory: Productivity created: '2026-05-04' # Provenance stamped 2026-08-11: this artifact was written by the API Evangelist # bulk sweep dated 2026-05-04, not harvested from the provider. See roadmap#35. method: generated modified: '2026-05-05' reconciled: true tags: - Spreadsheets - Productivity - Microsoft 365 - Microsoft - FinOps - FOCUS description: 'FOCUS-aligned FinOps for Microsoft Excel: bundled with Microsoft 365 / Office 365 per-user-per-month subscriptions; no incremental per-call API charge. Costs flow through the parent Microsoft 365 SKU.' sources: - https://www.microsoft.com/en-us/microsoft-365/business/compare-all-plans - https://www.microsoft.com/en-us/microsoft-365/enterprise/microsoft365-plans-and-pricing billingModel: pricingCategory: Subscription (bundled with Microsoft 365) billingFrequency: Monthly billingCurrency: USD chargeCategories: - Usage - Purchase - Tax - Adjustment focusColumns: ServiceName: Microsoft Excel ServiceCategory: Productivity ProviderName: Microsoft PublisherName: Microsoft Corporation InvoiceIssuerName: Microsoft Corporation BillingCurrency: USD ChargeCategory: Purchase meters: - name: m365_seats description: Microsoft 365 seats granting Excel entitlement (Business Basic / Standard / Premium / E3 / E5 / Apps for Business / Apps for Enterprise) unit: seat aggregation: sum dimensions: - tenant - sku - name: workbook_api_requests description: Microsoft Graph workbook API calls (no charge; tracked for capacity and throttling) unit: request aggregation: sum dimensions: - tenant - application - name: workbook_storage description: Storage consumed by .xlsx files in OneDrive / SharePoint unit: GB aggregation: sum dimensions: - drive - tenant principles: - name: Visibility description: Use the Microsoft 365 admin centre Active Users report and Microsoft 365 Usage Analytics to see Excel consumption; capture Microsoft Graph throttling telemetry from request-id and x-ms-throttle-scope headers. - name: Allocation description: Map Microsoft 365 seat assignments to Entra groups bound to cost-centres for chargeback; tag programmatic Excel API access by the calling application. - name: Optimization description: Right-size the Microsoft 365 SKU mix (downgrade rarely-used desktop seats to Business Basic); persist workbook sessions and use $batch to reduce throttling exposure. - name: Accountability description: Workplace IT owns the M365 SKU mix; engineering owns Office Add-in / Graph workbook automations and their throttling budget. maintainers: - FN: Kin Lane email: kin@apievangelist.com