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Microsoft 365 to Notion integration — real-time, two-way sync

Keep Microsoft 365 and Notion 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 Notion

Stop re-entering the same information in Microsoft 365 and Notion: Stacksync keeps the records they share consistent in real time, in both directions.

Two tools in the daily stack often hold overlapping information: the same people, the same companies, or the same pieces of work, described twice. The tools do different jobs, so consolidating is not the answer; the overlap just needs to stop drifting.

Stacksync syncs Mail Messages, Calendar Events, Contacts, OneDrive Files (driveItems) in Microsoft 365 with Databases / Data sources, Properties, Blocks, Formula and Rollup properties in Notion in real time. You choose which records overlap, map the fields that should match, and pick a direction or let changes flow both ways. From then on, an update made in either tool is reflected in the other within seconds, without exports or copy-paste.

Because the sync is field-level, each tool keeps its own extras; only the shared data is held in agreement.

Common use cases

  • 01 Sync employee records from an HR system into Entra ID users and group memberships.
  • 02 Mirror calendar events into scheduling or CRM tools so meetings appear on customer timelines.
  • 03 Sync a Notion content-calendar database with Jira or Linear by mapping status and date properties both directions.
  • 04 Read Notion wiki Pages and their Blocks into a database or search index for internal knowledge retrieval.

Common sync patterns

Where both tools track people or companies: one consistent record

Contact and company details corrected in either tool update the other, so nobody works from the old version.

Where one tool produces events: mirror them in the other

Payments, replies, messages, or tickets created in one tool can create or update matching records in the other, keeping context in one place.

Where Notion is where the team documents or plans: keep its data fed

Information that originates in Microsoft 365 stays current in Notion instead of going stale after a one-time paste.

What you can sync between Microsoft 365 and Notion

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 Notion objects How this pairing syncs
Users Entra ID user accounts synced with HR and identity systems. Users Workspace members and bots referenced by people properties; read-only — users cannot be created or invited through the API. Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions.
OneDrive Files (driveItems) File and folder metadata synced for document workflows and audits. Files and attachments File-property and file-block values. Notion-hosted URLs are temporary and expire, so files are re-fetched or copied at sync time. OneDrive Files (driveItems) is specific to Microsoft 365 and Files and attachments to Notion — each maps to any object or custom field on the other side.
SharePoint Sites & Lists List items read and written like lightweight database tables. Pages The core content unit and also every row of a database; synced two-way as records, with typed properties mapping to table columns. SharePoint Sites & Lists is specific to Microsoft 365 and Pages to Notion — each maps to any object or custom field on the other side.
Teams Team and membership data provisioned from upstream systems. Databases / Data sources Collections of pages with a typed property schema. Since the 2025-09-03 API a database is a container holding one or more data sources; syncs target a specific data_source_id. Teams is specific to Microsoft 365 and Databases / Data sources to Notion — each maps to any object or custom field on the other side.
Planner & To Do Tasks Task items synced with project and work-management tools. Properties Typed columns on a page — title, rich_text, number, select, multi_select, date, people, relation, status, checkbox, URL. Read and written both ways. Planner & To Do Tasks is specific to Microsoft 365 and Properties to Notion — 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. Blocks The page body — paragraphs, headings, to-dos, tables — nested as children and fetched recursively, separate from a page's properties. Groups is specific to Microsoft 365 and Blocks to Notion — each maps to any object or custom field on the other side.

How changes propagate between Microsoft 365 and Notion

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 Notion 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 Notion through its API, with automatic retries and rate-limit backoff.

Notion Microsoft 365 Sub-second propagation

DetectionNotion notifies Stacksync of record changes through webhook events. Workspace webhooks (page.created, page.content_updated, data_source.schema_updated, comment.created.

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

Rate-limit considerations

  • Notion: Average of ~3 requests/second per integration with some bursts; 429 with a Retry-After header when exceeded. Payloads capped at 500 KB and 1000 block elements.
What ships with Microsoft 365 ⇄ Notion

Connect Microsoft 365 and Notion for flexible, real-time data sync.

Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Microsoft 365–Notion connection.

Real-time

Two-way sync

Changes in Microsoft 365 or Notion instantly reflect in both systems. No stale data, no manual imports.

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Microsoft 365 or Notion 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 Notion record.

Observability

Monitoring

Track your Microsoft 365 ⇄ Notion 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 Notion.

How the Microsoft 365 and Notion 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

Notion

Integration surface
REST API (api.notion.com/v1)
Authentication
OAuth 2.0 for public integrations, or an internal integration secret (bearer token); every request must send a Notion-Version header
Change detection
Workspace webhooks (page.created, page.content_updated, data_source.schema_updated, comment.created; HMAC-SHA256 signed) plus polling on each page's last_edited_time
Capabilities
read · write · webhooks
Rate limits
Average of ~3 requests/second per integration with some bursts; 429 with a Retry-After header when exceeded. Payloads capped at 500 KB and 1000 block elements.
How it works

How to connect Microsoft 365 to Notion — 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 Notion 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
    Notion connected
    OAuth 2.0
    SSH tunnel
    SSL certificate
    VPC peering
  2. 02

    Choose tables

    Pick the Microsoft 365 and Notion 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 ⇄ Notion
    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 Notion
    Company company_name text
    Email email text
    Amount amount numeric
    Created created_at timestamp
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FAQ

Microsoft 365 and Notion 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.

Learn more about security
SOC 2 Type II
ISO 27001
HIPAA BAA
GDPR
CCPA
CSA STAR
DPF US-EU-UK-CH
→ SECURITY WITH BENEFITS

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 460 integrations available for Microsoft 365 and Notion.

Popular · 7 of 460
All Microsoft 365 integrations All Notion integrations Browse all integrations
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