Connect Microsoft Teams to Slack
Automate workflows between Microsoft Teams and Slack. No coding required.
What you can automate between Microsoft Teams and Slack
These are the most popular automations teams set up between Microsoft Teams and Slack. Each one runs automatically once activated — no manual steps.
Send message when new message received
Post a message to a channel automatically when when a new message arrives in a channel.
Send message when new message received
Post a message to a channel automatically when when a new message arrives in a channel.
Sync Microsoft Teams changes to Slack
Keep Slack updated when when someone mentions you or your team.
Get Microsoft Teams alerts for Slack
Never miss important Slack updates with instant Microsoft Teams notifications.
What syncs between Microsoft Teams and Slack
Messages from Microsoft Teams are forwarded to Slack in real-time, preserving the sender name, content, and any attachments. Keep both platforms in sync without switching between them.
Data from Microsoft Teams
- Messages
- Channel posts
- Mentions
- Thread replies
- File attachments
Data from Slack
- Messages
- Channel posts
- Mentions
- Thread replies
- File attachments
How to connect Microsoft Teams to Slack
Follow these steps to set up your integration. The entire process takes under 5 minutes.
What you'll need
- An active Microsoft Teams account with permission to install apps
- An active Slack account with permission to install apps
- A free Arahi AI account (sign up takes 30 seconds)
Create your Arahi AI account
Sign up at app.arahi.ai — it's free and takes 30 seconds. No credit card required. You'll land on the dashboard where you can create your first workflow.
Authenticate Microsoft Teams
Click "Add Connection" and select Microsoft Teams from the app directory. You'll be redirected to Microsoft Teams's authorization page. Grant Arahi permission to read and post messages in your selected channels. You control which channels the integration can access.
Authenticate Slack
Same process for Slack. Click "Add Connection," select Slack, and authorize access. Grant Arahi permission to read and post messages in your selected channels. You control which channels the integration can access.
Choose your trigger
Select what event starts the workflow. For this integration, popular triggers include: new message received in microsoft teams or new message received in slack. The trigger fires automatically whenever that event happens — no manual intervention.
Configure the action
Define what happens when the trigger fires. For example: send message in slack. Map the data fields between Microsoft Teams and Slack so the right information lands in the right place.
Test and activate
Run a test to confirm data flows correctly between Microsoft Teams and Slack. Check that the fields map as expected, then toggle the workflow on. It runs 24/7 from here — Arahi handles retries, error logging, and monitoring automatically.
Why connect Microsoft Teams and Slack?
Manually moving data between Microsoft Teams and Slack is error-prone and eats into your team's productive hours. Connecting them through Arahi eliminates that overhead — events in one app trigger actions in the other automatically.
Tips for your Microsoft Teams + Slack integration
Get more out of this integration with these best practices.
Who uses the Microsoft Teams + Slack integration?
Teams across industries connect Microsoft Teams and Slack to streamline their workflows.
Team leads managing multiple channels who need Microsoft Teams and Slack in sync
Cross-functional squads consolidating their communication stack
IT admins consolidating tools eliminating duplicate work across platforms
Frequently asked questions
Everything you need to know about connecting Microsoft Teams and Slack.
How do I connect Microsoft Teams to Slack?
Sign up for a free Arahi AI account, then click "Add Connection" to authenticate both Microsoft Teams and Slack via OAuth. Choose a workflow template — like syncing communication events to communication actions — customize the field mapping, and activate. The entire setup takes under 5 minutes.
What can I automate between Microsoft Teams and Slack?
You can automate a wide range of workflows: sync new Microsoft Teams events to Slack actions, trigger Slack updates when Microsoft Teams data changes, create Slack records from Microsoft Teams events, and build conditional workflows with filters and field mapping. Each workflow runs 24/7 with automatic retries.
Is the Microsoft Teams and Slack integration free?
Arahi AI includes 100 free actions per month on the Starter plan — enough for most small teams. If your Microsoft Teams-to-Slack workflows need more volume, paid plans start at $29/month with unlimited workflows and priority execution.
Is my Microsoft Teams data secure when connected to Slack?
Yes. Arahi uses OAuth 2.0 for authentication — we never store your Microsoft Teams or Slack passwords. All data is encrypted in transit (TLS 1.3) and at rest (AES-256). Your communication data is only accessed when a workflow runs, and you can revoke access at any time from your Arahi dashboard.
Can I sync data both ways between Microsoft Teams and Slack?
Yes. You can set up workflows that trigger from either Microsoft Teams or Slack. For example, create a workflow where Microsoft Teams events update Slack, and a separate one where Slack changes sync back to Microsoft Teams. Each direction is configured independently so you have full control.
Do I need technical skills to connect Microsoft Teams and Slack?
No coding is required. Arahi's visual workflow builder lets you configure triggers, actions, and field mapping with clicks. If you can use Microsoft Teams and Slack, you can set up the integration. Most users are running their first workflow within 10 minutes.
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