Two-way sync
Changes in Microsoft 365 or Salesloft instantly reflect in both systems. No stale data, no manual imports.
Keep Microsoft 365 and Salesloft in sync without custom scripts. Cut weeks of integration work, eliminate silent data drift, and give your team a single, reliable source of truth.
The CRM is supposed to be the record of every customer relationship, but customer-relevant information also accumulates in the other tools a team runs. Whatever Microsoft 365 holds or produces that touches a customer, whether conversations, payments, replies, enriched data, or notes, the CRM only benefits if it arrives without someone copying it over.
Stacksync connects Users, Groups, Mail Messages, Calendar Events in Microsoft 365 to Cadences, Cadence Memberships, Emails, Calls in Salesloft with bi-directional, real-time sync. Activity and record changes in Microsoft 365 update the matching contact or account in Salesloft, and CRM data flows the other way wherever Microsoft 365 can store and use it.
Enriched fields land directly on records in Salesloft, and refreshes keep them from going stale.
Charges, refunds, and subscription changes appear on the account in Salesloft, so revenue context lives with the relationship.
Owner, lifecycle stage, or account details from Salesloft sync into Microsoft 365, so people working there have the context without switching tools.
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 | Salesloft objects | |
|---|---|---|
| Users Entra ID user accounts synced with HR and identity systems. | Emails Sent and received email activity with engagement metadata, synced out for analytics. | |
| Groups Microsoft 365 and security groups kept aligned with org structure and access rules. | Calls Logged call activity with dispositions and recordings metadata. | |
| Mail Messages Exchange Online messages read for logging, archiving, or activity capture. | Tasks Rep to-dos created and completed within cadences. | |
| Calendar Events Events synced with scheduling tools and CRMs for meeting visibility. | Meetings Booked meeting records tied to people and users. | |
| Contacts Personal and org contacts kept consistent with CRM contact records. | Users Seller records used for ownership mapping and activity attribution. | |
| OneDrive Files (driveItems) File and folder metadata synced for document workflows and audits. | Custom Fields Per-person and per-account fields commonly populated by enrichment syncs for personalization. |
Real-time sync, workflow automation, event queues, EDI, and monitoring, for every Microsoft 365–Salesloft connection.
Changes in Microsoft 365 or Salesloft instantly reflect in both systems. No stale data, no manual imports.
Trigger automated workflows whenever Microsoft 365 or Salesloft data changes, update records, fire webhooks, or kick off sequences without brittle API scripts.
Handle millions of events per minute without losing a single Microsoft 365 or Salesloft record.
Track your Microsoft 365 ⇄ Salesloft sync health, view errors, and replay failed events in one click.
Transform legacy EDI complexity into simple database interactions between Microsoft 365 and Salesloft.
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.
Authenticate Microsoft 365 and Salesloft with each platform's native method — OAuth, API keys, or service accounts — plus secure options like SSH tunneling, IP whitelisting, and VPC peering.
Pick the Microsoft 365 and Salesloft 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.
Fields map automatically even when names and types differ. Stacksync handles transformation and type casting for you, zero configuration required.
Yes. Stacksync provides a managed, real-time two-way integration between Microsoft 365 and Salesloft: authenticate both systems, choose the objects to sync (such as Microsoft 365's Users and Groups), map fields visually, and changes propagate both ways in milliseconds — no code required.
Change detection on Microsoft 365: Graph change notifications (webhooks) plus delta queries for incremental sync. On Salesloft: Webhook event subscriptions plus polling on updated_at timestamps. Each detected change propagates to the other side in milliseconds, with field-level conflict resolution and an inspectable event log.
On the Microsoft 365 side: Users, Groups, Mail Messages, Calendar Events, plus custom fields where Microsoft 365 exposes them. On the Salesloft side: Cadences, Cadence Memberships, Emails, Calls. Stacksync auto-detects both schemas and converts types between the two systems.
Yes. Each object mapping can be bidirectional or restricted to a single direction (both systems accept writes). Read-only mirrors, one-way pushes, and full two-way sync can be mixed in the same integration.
Common patterns for Microsoft 365 and Salesloft: Where Microsoft 365 supplies contact or company data; Where Microsoft 365 processes payments; Where Microsoft 365 can store CRM context: fields kept current. Enriched fields land directly on records in Salesloft, and refreshes keep them from going stale.
Microsoft 365: REST API (Microsoft Graph). Authentication: OAuth 2.0 via Microsoft Entra ID, with delegated or application permissions. Salesloft: REST API (v2). Authentication: OAuth 2.0. Stacksync manages authentication, retries, and rate limits on both sides.
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.
Let your users access Stacksync from your centralized user management systems. Works with Okta, Azure, Google SSO and more.
Immediately get alerted about record syncing issues over email, Slack, PagerDuty and WhatsApp. Resolve issues from a centralized dashboard with retry and revert options.
Securely connects to your systems with:
Every pair below is a real-time, two-way sync. Search all 386 integrations available for Microsoft 365 and Salesloft.