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Zapier makes it easy to integrate Microsoft Outlook with Slack - no code necessary. See how you can get setup in minutes.
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Microsoft Outlook
Microsoft Outlook
1. Choose trigger event
Slack
Slack
2. Choose action
1. Select the event
Setup
Test
Microsoft Outlook
Choose a trigger event
Choose a trigger
A trigger is the event that starts your Zap—like a "Calendar Event Start" from Microsoft Outlook.
Add your action
An action happens after the trigger—such as "Add Reaction" in Slack.
You’re connected!
Zapier seamlessly connects Microsoft Outlook and Slack, automating your workflow.
Supported triggers and actions
Zapier helps you create workflows that connect your apps to automate repetitive tasks. A trigger is an event that starts a workflow, and an action is an event a Zap performs.
Create a new record or update an existing record in your app.
Conversation ID
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Channel
Required
Users
Required
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Title
Content
Channel ID
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Send Multi Message
Message Text
Required
Send as a bot?
Include a link to this automation?
Attach Image by URL
Auto-Expand Links?
Link Usernames and Channel Names?
Schedule At
Zap_id
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Allowed_edit_copy
Conversation ID
Required
Message TS (ID)
Required
Posted By
Content Type
Reply Broadcast
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Channel
Required
Add Zapier app to channel automatically?
Message Text
Required
Send as a bot?
Bot Name
Bot Icon
Include a link to this automation?
Attach Image by URL
Auto-Expand Links?
Link Usernames and Channel Names?
Schedule At
Zap_id
File
Thread
Send Channel Message?
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Channel
Required
Topic
Required
Topic set by
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Status Text
Status Emoji
Expiration Time
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Remove User from Channel
This action removes a specified user from a specified channel in Slack.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Edit Message
This action updates a specific message sent by the same Authenticated user on Slack. You need to provide the Channel ID, the Timestamp of the message to be edited, and the new text for the message.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Find Public Channel
This action will find a public channel in Slack using either the channel's ID or name.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Delete Message
This action deletes an existing message in a specific channel on Slack. You need to provide the channel ID and the message timestamp as inputs.
Action
This is an event a Zap performs.
Write
Create a new record or update an existing record in your app.
Conversation ID
Required
Action
This is an event a Zap performs.
Search
Find existing data in your app
Conversation ID
Required
Message ID (ts)
Required
Action
This is an event a Zap performs.
Search
Find existing data in your app
Search Query
Required
Sort By
Sort Direction
Include Bot Messages in Search Results?
Action
This is an event a Zap performs.
Search
Find existing data in your app
ID
Required
Return Raw Results?
Action
This is an event a Zap performs.
Search
Find existing data in your app
Username
Required
Return Raw Results?
Action
This is an event a Zap performs.
Search
Find existing data in your app
For AI agents & developers
Use Microsoft Outlook and Slack with AI agents and code
Beyond Zap workflows. Call Microsoft Outlook and Slack actions directly from your AI client or your codebase, using the same 9,000+ app integrations Zapier already runs.
No code
Connect via Zapier MCP
Expose Microsoft Outlook and Slack actions as tools in any MCP client. Authenticate once, then call them in natural language.
Example actions on this page
Add Attendees to Calendar Event
Add Reaction
Works with
Claude · ChatGPT · Cursor · any MCP-compatible client
There is no Python package yet. SDK is TypeScript-only (@zapier/zapier-sdk). The MCP server URL is personal to your account; get it at zapier.com/mcp.
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The average user takes less than 6 minutes to set up a Zap
Practical ways you can use Microsoft Outlook and Slack
Receive Slack notifications for new Outlook emails from clients.
Stay on top of important client communication with Zapier. When you receive a new email from a client in Microsoft Outlook, Zapier triggers an instant notification in Slack to ensure you're always informed and can act quickly. This workflow helps you reduce response time and improve client satisfaction.
Notify your team of cancelled Outlook meetings in Slack.
Keep your IT team aware of key schedule changes. When a meeting is cancelled in Microsoft Outlook, Zapier sends a notification to a designated Slack channel to ensure everyone is updated. This workflow reduces confusion and ensures efficient rescheduling.
Alert the team in Slack about schedule updates in Outlook calendar.
Save time and keep the marketing team aligned. When an event in the Outlook shared calendar is updated, Zapier automatically posts the changes in a designated Slack channel, helping the team stay on top of deadlines and collaborate effectively.
Learn how to automate Microsoft Outlook on the Zapier blog
Learn how to automate Slack on the Zapier blog
Make work flow with AI
Level up your Microsoft Outlook to Slack integration with AI. Extract, summarize, and transform your integration data with leading AI models like OpenAI, Anthropic, and more.
Frequently Asked Questions about Microsoft Outlook + Slack integrations
New to automation with Zapier? You're not alone. Here are some answers to common questions about how Zapier works with Microsoft Outlook and Slack
How can I connect my Microsoft Outlook account to Slack?
To connect Microsoft Outlook to Slack, you'll need to use a third-party automation tool. By authorizing both Outlook and Slack within the tool, you can easily set up workflows, known as 'zaps,' where Outlook email events can trigger actions in Slack.
Can I receive notifications in Slack for new emails received in Outlook?
Yes, you can set up a workflow where new emails arriving in your Outlook inbox trigger notifications in a specified Slack channel. This ensures you are promptly informed about important emails directly within your team communication platform.
Is it possible to create calendar events in Outlook from Slack messages?
Absolutely. By using automation tools, you can create triggers based on specific keywords or reactions in Slack messages that will generate calendar events in your Outlook calendar automatically.
How do I ensure my meeting updates in Outlook reflect in our team's Slack channel?
Set up a workflow where any updates or changes to meetings in your Outlook calendar trigger an alert or message in your chosen Slack channel. This keeps the entire team updated with the latest schedule changes without manual updates.
Can I send email summaries from Microsoft Outlook into a specific Slack channel?
Yes, email summaries can be automatically sent to a designated Slack channel by setting up an automation that compiles key parts of incoming emails and posts them at scheduled intervals.
Is it possible to manage my tasks across both platforms seamlessly?
You can create seamless task management between Outlook and Slack by setting up automations. For instance, turning flagged emails into task reminders within a dedicated task management app accessible via Slack integration.
Are there any limitations when integrating Microsoft Outlook with Slack?
While integrations provide many automated capabilities such as email alerts and calendar syncing, they depend on third-party tools which might have usage limits or subscription requirements. Additionally, not all features of both applications may be supported fully through integration tools.
About Microsoft Outlook
Microsoft Outlook is a web-based suite of webmail, contacts, tasks, and calendaring services.
Slack is a platform for team communication: everything in one place, instantly searchable, available wherever you go. Offering instant messaging, document sharing and knowledge search for modern teams.