Skip to content
Business productivity

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

Keep Microsoft 365 and SendGrid 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
Case study
Migrated from Celigo
Migrated from Heroku Connect
Migrated from Matillion
Case study
Migrated from Fivetran
Case study
Migrated from Celigo
Why teams connect Microsoft 365 and SendGrid

Stop re-entering the same information in Microsoft 365 and SendGrid: 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 Teams, Planner & To Do Tasks, Users, Groups in Microsoft 365 with Email Activity, Contacts, List, Segments in SendGrid 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 Stream Event Webhook engagement data into a Postgres database or warehouse for campaign and deliverability reporting
  • 04 Keep product-usage attributes from an operational database updated on SendGrid contacts to drive lifecycle segments

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

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

What you can sync between Microsoft 365 and SendGrid

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 SendGrid objects How this pairing syncs
Contacts Personal and org contacts kept consistent with CRM contact records. Contacts Marketing recipients upserted from CRM or database records, including custom field values. Same entity on both sides — records pair one-to-one and field-level changes reconcile in both directions. Custom fields on either side are included in the mapping.
OneDrive Files (driveItems) File and folder metadata synced for document workflows and audits. Segments Query-based contact groups whose membership SendGrid computes from contact fields. OneDrive Files (driveItems) is specific to Microsoft 365 and Segments to SendGrid — each maps to any object or custom field on the other side.
SharePoint Sites & Lists List items read and written like lightweight database tables. Categories Synced with incremental and full sync per the Stacksync docs. SharePoint Sites & Lists is specific to Microsoft 365 and Categories to SendGrid — each maps to any object or custom field on the other side.
Teams Team and membership data provisioned from upstream systems. Senders Synced with incremental and full sync per the Stacksync docs. Teams is specific to Microsoft 365 and Senders to SendGrid — 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. Single Sends One-off marketing campaigns whose stats are read back for reporting. Planner & To Do Tasks is specific to Microsoft 365 and Single Sends to SendGrid — each maps to any object or custom field on the other side.
Users Entra ID user accounts synced with HR and identity systems. Unsubscribe Groups Synced with incremental and full sync per the Stacksync docs. Users is specific to Microsoft 365 and Unsubscribe Groups to SendGrid — each maps to any object or custom field on the other side.

How changes propagate between Microsoft 365 and SendGrid

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

SendGrid Microsoft 365 Sub-second propagation

DetectionSendGrid notifies Stacksync of record changes through webhook events. Event Webhook posts delivery and engagement events (processed, delivered, open, click, bounce, spam report) to an HTTP endpoint.

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

Rate-limit considerations

  • SendGrid: Subject to the platform's API rate limits; contact upserts are batched, asynchronous jobs rather than per-row writes.
What ships with Microsoft 365 ⇄ SendGrid

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

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

Real-time

Two-way sync

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

No-code + pro-code

Workflow automation

Trigger automated workflows whenever Microsoft 365 or SendGrid 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 SendGrid record.

Observability

Monitoring

Track your Microsoft 365 ⇄ SendGrid 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 SendGrid.

How the Microsoft 365 and SendGrid 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

SendGrid

Integration surface
REST API (v3)
Authentication
API key (create in SendGrid Settings > API Keys with Custom Access / Full Access for the objects to sync; key begins with "SG")
Change detection
Event Webhook posts delivery and engagement events (processed, delivered, open, click, bounce, spam report) to an HTTP endpoint; contact and list changes are detected by polling
Capabilities
read · write · webhooks
Rate limits
Subject to the platform's API rate limits; contact upserts are batched, asynchronous jobs rather than per-row writes
SendGrid setup guide
How it works

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

    Choose tables

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

Microsoft 365 and SendGrid 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.

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:

Related integrations

Every pair below is a real-time, two-way sync. Search all 390 integrations available for Microsoft 365 and SendGrid.

Popular · 8 of 390
Coworkers laughing in front of a laptop in a casual office setting

Your last integration took months.
Your next one takes a prompt.