Real-time
Two-way sync
Changes in Microsoft 365 or Microsoft Teams instantly reflect in both systems. No stale data, no manual imports.
Business productivity
Microsoft 365 to Microsoft Teams integration — real-time, two-way sync
Keep Microsoft 365 and Microsoft Teams in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
- SOC 2 and 6 other compliance frameworks
- POC with real engineers in minutes
Adopted by fast-scaling companies moving mission-critical data in real time
Case study
Migrated from MuleSoft
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Migrated from Celigo
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Migrated from Matillion
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Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect Microsoft 365 and Microsoft Teams
Stop re-entering the same information in Microsoft 365 and Microsoft Teams: 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 SharePoint Sites & Lists, Teams, Planner & To Do Tasks, Users in Microsoft 365 with Channel Messages, Chats & Chat Messages, Team Members & Users, Online Meetings in Microsoft Teams 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 Post CRM deal-stage changes or new-lead alerts into a sales channel as they sync.
- 04 Notify an ops channel when a sync detects failed or conflicting records that need review.
Common sync patterns
Handoffs between teams
When work started in one tool continues in the other, the shared fields travel with it automatically.
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.
What you can sync between Microsoft 365 and Microsoft Teams
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 | Microsoft Teams objects | How this pairing syncs | |
|---|---|---|---|
| Teams Team and membership data provisioned from upstream systems. | Teams Team containers provisioned or read to mirror org and project structure. | Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions. | |
| Calendar Events Events synced with scheduling tools and CRMs for meeting visibility. | Team Members & Users Membership synced with identity, HR, or CRM ownership data. | Calendar Events is specific to Microsoft 365 and Team Members & Users to Microsoft Teams — each maps to any object or custom field on the other side. | |
| Contacts Personal and org contacts kept consistent with CRM contact records. | Online Meetings Meeting records synced with scheduling and CRM activity timelines. | Contacts is specific to Microsoft 365 and Online Meetings to Microsoft Teams — 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. | Tabs & Installed Apps App configuration read to audit or provision team workspaces. | OneDrive Files (driveItems) is specific to Microsoft 365 and Tabs & Installed Apps to Microsoft Teams — each maps to any object or custom field on the other side. | |
| SharePoint Sites & Lists List items read and written like lightweight database tables. | Channels Channel targets used for routing synced notifications and updates. | SharePoint Sites & Lists is specific to Microsoft 365 and Channels to Microsoft Teams — 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. | Channel Messages Posted messages read for archiving or written to broadcast record changes. | Planner & To Do Tasks is specific to Microsoft 365 and Channel Messages to Microsoft Teams — each maps to any object or custom field on the other side. |
How changes propagate between Microsoft 365 and Microsoft Teams
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 Microsoft Teams 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 Microsoft Teams through its API, with automatic retries and rate-limit backoff.
Microsoft Teams Microsoft 365 Sub-second propagation
DetectionMicrosoft Teams notifies Stacksync of record changes through webhook events. Graph change notifications (webhooks) for messages and membership.
DeliveryEach detected change is written to Microsoft 365 through its API, with automatic retries and rate-limit backoff.
What ships with Microsoft 365 ⇄ Microsoft Teams
Connect Microsoft 365 and Microsoft Teams for flexible, real-time data sync.
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Microsoft 365–Microsoft Teams connection.
No-code + pro-code
Workflow automation
Trigger automated workflows whenever Microsoft 365 or Microsoft Teams 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 Microsoft Teams record.
Observability
Monitoring
Track your Microsoft 365 ⇄ Microsoft Teams 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 Microsoft Teams.
How the Microsoft 365 and Microsoft Teams 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
Microsoft Teams
- Integration surface
- REST API (Microsoft Graph)
- Authentication
- OAuth 2.0 via Microsoft Entra ID; reading message content at scale requires Microsoft-approved protected-API access
- Change detection
- Graph change notifications (webhooks) for messages and membership; delta queries on some resources
- Capabilities
- read · write · webhooks
How it works
How to connect Microsoft 365 to Microsoft Teams — 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.
- 01
Connect your apps
Authenticate Microsoft 365 and Microsoft Teams with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Microsoft 365
connected
Microsoft Teams
connected
OAuth 2.0SSH tunnelSSL certificateVPC peering - 02
Choose tables
Pick the Microsoft 365 and Microsoft Teams 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.
objects · Microsoft 365 ⇄ Microsoft TeamsCustomers 12,480Sales Orders 8,213Invoices 5,902Items 1,344 - 03
Map fields
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Microsoft 365 Microsoft TeamsCompany company_name textEmail email textAmount amount numericCreated created_at timestamp
FAQ
Microsoft 365 and Microsoft Teams integration FAQ
-
Yes. Stacksync provides a managed, real-time two-way integration between Microsoft 365 and Microsoft Teams: authenticate both systems, choose the objects to sync (such as Microsoft 365's Teams and Calendar Events), map fields visually, and changes propagate both ways in milliseconds — no code required.
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Microsoft 365: Nearly all Microsoft 365 workloads (Exchange, SharePoint, OneDrive, Teams, Entra ID) are exposed through the single Microsoft Graph endpoint rather than per-product APIs. Microsoft Teams: Simple outbound notification into a channel can be done with webhook-style connectors or workflows without a full Graph integration. Stacksync's field mapping accounts for these differences between Microsoft 365 and Microsoft Teams without custom code.
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Stacksync is SOC 2 Type II and ISO 27001 certified with HIPAA BAA support. Data is encrypted in transit, and a zero-persistent-storage architecture means Microsoft 365 and Microsoft Teams records are not retained after a sync operation.
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Stacksync pricing is usage-based and starts at $1,000/month, including the managed Microsoft 365 and Microsoft Teams connectors, real-time two-way sync, monitoring, and support. That replaces building and maintaining a custom Microsoft 365–Microsoft Teams integration in-house.
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Yes — Stacksync ships production-grade connectors for both Microsoft 365 and Microsoft Teams. The connectors handle authentication, schema detection, rate limits, and retries; you configure the sync, and Stacksync operates it.
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Change detection on Microsoft 365: Graph change notifications (webhooks) plus delta queries for incremental sync. On Microsoft Teams: Graph change notifications (webhooks) for messages and membership; delta queries on some resources. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
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.
SOC 2 Type II
ISO 27001
HIPAA BAA
GDPR
CCPA
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:
Related integrations
Every pair below is a real-time, two-way sync. Search all 394 integrations available for Microsoft 365 and Microsoft Teams.
Popular · 7 of 394
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Microsoft 365 ⇄ Agiloft -
Microsoft 365 ⇄ Gainsight -
Microsoft 365 ⇄ Ironclad -
Microsoft Teams ⇄ GitHub -
Microsoft Teams ⇄ Atlassian -
Microsoft Teams ⇄ Braze -
Microsoft Teams ⇄ ConnectWise
No integrations match .
