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Business productivity ⇄ Human resources

Microsoft 365 to Oracle Fusion Cloud HCM integration — real-time, two-way sync

Keep Microsoft 365 and Oracle Fusion Cloud HCM in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.

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Why teams connect Microsoft 365 and Oracle Fusion Cloud HCM

Keep the people, teams, and status that Microsoft 365 and Oracle Fusion Cloud HCM share aligned in real time, so a hire, role change, or departure recorded in one reaches the other within seconds.

Each tool in Microsoft 365 keeps its own list of who can use it: users, members, or agents, along with the team they sit on and whether they are still active. Oracle Fusion Cloud HCM is the authoritative record of the same people as employees, with their department, manager, and employment status. When those two are connected only by manual account admin or a periodic export, the work tools drift: new hires wait days for access, team and manager changes never catch up, and people who have left keep standing accounts.

Stacksync syncs Groups, Mail Messages, Calendar Events, Contacts in Microsoft 365 with Jobs, Positions, Departments (Organizations), Locations in Oracle Fusion Cloud HCM bi-directionally and in real time. A person added, moved, or offboarded in Oracle Fusion Cloud HCM creates or updates the matching user in Microsoft 365 within seconds, with field-level mapping and conflict resolution in place of spreadsheets and one-off account changes. Where Microsoft 365 captures details of its own, such as a corrected contact or a login identity, those can flow back to Oracle Fusion Cloud HCM in whichever direction you configure.

Because the sync is field-level, each system keeps its own extras; only the shared facts, who a person is, which team they belong to, and whether their access should be on, are held in agreement.

Common use cases

  • 01 Mirror calendar events into scheduling or CRM tools so meetings appear on customer timelines.
  • 02 Sync SharePoint lists with operational databases so business users edit in SharePoint while systems read SQL.
  • 03 Two-way sync Workers and Assignments with an operational Postgres so internal apps read reporting lines, departments, and locations in SQL while HR keeps mastering data in Oracle HCM.
  • 04 Provision identities and app access downstream when an Atom new-hire or termination feed event fires, joining Workers, Assignments, Departments, and Locations.

Common sync patterns

Onboarding: access ready on day one

A new hire recorded in Oracle Fusion Cloud HCM creates the matching user in Microsoft 365 with the right team and manager already set, so people can start working without waiting on a provisioning ticket.

Offboarding: no standing access after a departure

When someone is marked as leaving in Oracle Fusion Cloud HCM, the matching account in Microsoft 365 is deactivated or flagged, so departures do not leave open access behind.

One employee directory

A person's name, title, contact details, or status corrected in either system updates the other, so both sides stop maintaining separate copies of the same person.

What you can sync between Microsoft 365 and Oracle Fusion Cloud HCM

Representative objects on each side — any object or custom field can map to any target. Schemas are auto-detected; types are converted between the two systems.

Microsoft 365 objects Oracle Fusion Cloud HCM objects How this pairing syncs
Users Entra ID user accounts synced with HR and identity systems. Assignments Child of a worker's work relationship carrying job, position, department, location, grade, and manager; effective-dated, so writes go through PATCH with an effective date. Users is specific to Microsoft 365 and Assignments to Oracle Fusion Cloud HCM — each maps to any object or custom field on the other side.
Groups Microsoft 365 and security groups kept aligned with org structure and access rules. Jobs Job catalog reference data; commonly read out to align titles and job codes in a warehouse or written to keep downstream systems consistent. Groups is specific to Microsoft 365 and Jobs to Oracle Fusion Cloud HCM — each maps to any object or custom field on the other side.
Mail Messages Exchange Online messages read for logging, archiving, or activity capture. Positions Position-management records used where positions control headcount; synced to keep vacancy and reporting structures aligned with finance/ERP. Mail Messages is specific to Microsoft 365 and Positions to Oracle Fusion Cloud HCM — each maps to any object or custom field on the other side.
Calendar Events Events synced with scheduling tools and CRMs for meeting visibility. Departments (Organizations) Org-structure records that define cost centers and reporting lines; typically mastered in HCM and read into other systems. Calendar Events is specific to Microsoft 365 and Departments (Organizations) to Oracle Fusion Cloud HCM — each maps to any object or custom field on the other side.
Contacts Personal and org contacts kept consistent with CRM contact records. Locations Physical work locations referenced by assignments; synced so downstream provisioning and directory tools resolve the same location codes. Contacts is specific to Microsoft 365 and Locations to Oracle Fusion Cloud HCM — each maps to any object or custom field on the other side.
OneDrive Files (driveItems) File and folder metadata synced for document workflows and audits. Grades and Salaries Grade, grade-rate, and worker compensation records; usually read out for compensation and headcount analytics, and written back for corrections. OneDrive Files (driveItems) is specific to Microsoft 365 and Grades and Salaries to Oracle Fusion Cloud HCM — each maps to any object or custom field on the other side.

How changes propagate between Microsoft 365 and Oracle Fusion Cloud HCM

Each direction of the sync is driven by what the source system can signal and what the destination accepts — detection, delivery, and expected latency below.

Microsoft 365 Oracle Fusion Cloud HCM Sub-second propagation

DetectionMicrosoft 365 notifies Stacksync of record changes through webhook events. Graph change notifications (webhooks) plus delta queries for incremental sync.

DeliveryEach detected change is written to Oracle Fusion Cloud HCM through its API, with automatic retries and rate-limit backoff.

Oracle Fusion Cloud HCM Microsoft 365 Sub-second propagation

DetectionChanges in Oracle Fusion Cloud HCM are captured at the source via change data capture — no polling loop against its API. Atom feeds expose changes-only feeds for key events (new hire, termination, assignment change).

DeliveryEach detected change is written to Microsoft 365 through its API, with automatic retries and rate-limit backoff.

Rate-limit considerations

  • Oracle Fusion Cloud HCM: Oracle publishes no fixed per-tenant REST rate limit; pages are capped via limit/offset and Oracle recommends client-side throttling, backoff, and using HDL for mass loads rather than transactional REST.
What ships with Microsoft 365 ⇄ Oracle Fusion Cloud HCM

Connect Microsoft 365 and Oracle Fusion Cloud HCM for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Microsoft 365–Oracle Fusion Cloud HCM connection.

Real-time

Two-way sync

Changes in Microsoft 365 or Oracle Fusion Cloud HCM instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Microsoft 365 or Oracle Fusion Cloud HCM data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.

At scale

Event queues

Handle millions of events per minute without losing a single Microsoft 365 or Oracle Fusion Cloud HCM record.

Observability

Monitoring

Track your Microsoft 365 ⇄ Oracle Fusion Cloud HCM sync health, view errors, and replay failed events in one click.

Trading partners

EDI

Transform legacy EDI complexity into simple database interactions between Microsoft 365 and Oracle Fusion Cloud HCM.

How the Microsoft 365 and Oracle Fusion Cloud HCM connectors work

Microsoft 365

Integration surface
REST API (Microsoft Graph)
Authentication
OAuth 2.0 via Microsoft Entra ID, with delegated or application permissions
Change detection
Graph change notifications (webhooks) plus delta queries for incremental sync
Capabilities
read · write · webhooks

Oracle Fusion Cloud HCM

Integration surface
REST API (/hcmRestApi/resources), Atom feeds, and HCM Data Loader (HDL) for bulk
Authentication
OAuth 2.0 bearer tokens via Oracle Identity Cloud Service (IDCS/IAM); HTTP Basic and SAML/JWT bearer over SSL are also accepted, enforced by Oracle Web Services Manager (OWSM)
Change detection
Atom feeds expose changes-only feeds for key events (new hire, termination, assignment change); REST q= filters on LastUpdateDate and HCM Extract in incremental mode cover broader deltas
Capabilities
read · write · CDC
Rate limits
Oracle publishes no fixed per-tenant REST rate limit; pages are capped via limit/offset and Oracle recommends client-side throttling, backoff, and using HDL for mass loads rather than transactional REST.
How it works

How to connect Microsoft 365 to Oracle Fusion Cloud HCM — three steps, no code

Configure and sync within minutes, no code. Whether you sync 50k or 100M+ records, Stacksync handles the queues, infra, and plumbing. Integrations are non-invasive and need zero setup on your systems.

  1. 01

    Connect your apps

    Authenticate Microsoft 365 and Oracle Fusion Cloud HCM with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.

    • OAuth 2.0
    • SSH tunnel
    • VPC peering
    Microsoft 365 connected
    Oracle Fusion Cloud HCM connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Microsoft 365 and Oracle Fusion Cloud HCM objects to sync — Stacksync auto-detects both schemas, including custom fields where the platform exposes them. Sync to existing tables, or let Stacksync create new ones with ideal data types.

    • Standard objects
    • Custom objects
    • Auto-schema
    objects · Microsoft 365 ⇄ Oracle Fusion Cloud HCM
    Customers 12,480
    Sales Orders 8,213
    Invoices 5,902
    Items 1,344
  3. 03

    Map fields

    Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.

    • Auto-map
    • Type casting
    • Transforms
    Microsoft 365 Oracle Fusion Cloud HCM
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Microsoft 365 and Oracle Fusion Cloud HCM integration FAQ

SECURITY

Security teams trust Stacksync

As a data company, we understand the importance of keeping your data secure. Stacksync is built with security best practices to keep your data safe at every layer, and is DPF-certified for US, EU, UK and CH data transfers.

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SSO & SCIM

Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.

Alerts

Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.

Secure connection options

Securely connects to your systems with:

OAuth 2 SSH Tunnelling SSL certificates IP Whitelisting VPN gateway VPC peering and more

Related integrations

Every pair below is a real-time, two-way sync. Search all 454 integrations available for Microsoft 365 and Oracle Fusion Cloud HCM.

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