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Connect Trello to Microsoft Outlook Calendar

Automate workflows and sync data between Trello and Microsoft Outlook Calendar with AI-powered automation

5-minute setup
Enterprise secure
No coding required

Why Connect Trello & Microsoft Outlook Calendar?

Intelligent Automation Workflows

Leverage 12 available triggers from Trello to execute 16 targeted actions in Microsoft Outlook Calendar automatically.

Eliminate Manual Data Entry

Replace time-consuming manual processes with intelligent automation that keeps Trello and Microsoft Outlook Calendar perfectly synchronized.

Real-time Business Intelligence

Create a unified data flow between Trello and Microsoft Outlook Calendar for instant insights and improved decision-making across your tech stack.

Available Triggers & Actions

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Trello

Triggers (12)

Card Moved (Instant)

Emit new event each time a card is moved to a list.

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New Card (Instant)

Emit new event for each new Trello card on a board.

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Card Updated (Instant)

Emit new event for each update to a Trello card.

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New Label Added To Card (Instant)

Emit new event for each label added to a card.

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New Notification

Emit new event for each new Trello notification for the authenticated user.

polling
Card Due Date Reminder

Emit new event at a specified time before a card is due.

polling
New Member on Card (Instant)

Emit new event for each member that join in a card.

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Card Archived (Instant)

Emit new event for each card archived.

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Custom Webhook Events (Instant)

Emit new events for activity matching a board, event types, lists and/or cards.

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New Attachment (Instant)

Emit new event when a new attachment is added on a board.

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New Board (Instant)

Emit new event for each new board added.

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New Board Activity (Instant)

Emit new event for new activity on a board.

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Actions (24)

Add Attachment To Card

Adds a file attachment on a card. See the documentation

Add Checklist

Adds a new checklist to a card. See the documentation.

Add Comment

Create a new comment on a specific card. See the documentation.

Add Existing Label to Card

Adds an existing label to the specified card. See the documentation.

Add Member to Card

Adds a member to the specified card. See the documentation.

Archive Card

Archives a card. See the documentation.

Complete a Checklist Item

Completes an existing checklist item in a card. See the documentation.

Create a Board

Create a new Trello board or copy from an existing one. See the documentation.

Create a Checklist Item

Creates a new checklist item in a card. See the documentation.

Create a List

Creates a new list. See the documentation.

Create Card

Creates a new card. See the documentation.

Create Label

Creates a new label on the specified board. See the documentation.

Delete Checklist

Deletes the specified checklist. See the documentation.

Find a Label

Finds a label on a specific board by name. See the documentation

Find a List

Finds a list on a specific board by name. See the documentation.

Get Board

Request a single board. See the documentation.

Get Card

Gets a card by its ID. See the documentation.

Get Cards In A List

List the cards in a list. See the documentation.

Get Cards On A Board

Get all of the open Cards on a Board. See the documentation.

Get List

Get information about a List. See the documentation.

Get Member

Gets a member by their ID. See the documentation

List Boards

Lists the boards that the user is a member of. See the documentation

List Organization IDs Options

Retrieves available options for the Organization IDs field.

Move Card to List

Moves a card to the specified board/list pair. See the documentation.

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Microsoft Outlook Calendar

Triggers (5)

Calendar Event Deleted (Instant)

Emit new event when a Microsoft Outlook Calendar event is deleted. Because deleted events cannot be re-fetched from the Outlook API after deletion, this trigger emits notification metadata only (not the full event object). The emitted payload includes the deleted event identifier (eventId), changeType, subscriptionId, tenantId, and notificationTimestamp. Downstream processors must rely solely on this metadata. See the documentation

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New Calendar Event (Instant)

Emit new event when a new Calendar event is created

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New Calendar Event Update (Instant)

Emit new event when a Calendar event is updated

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New Upcoming Calendar Event

Emit new event when a Calendar event is upcoming, this source is using reminderMinutesBeforeStart property of the event to determine the time it should emit.

polling
New Upcoming Calendar Event (Polling)

Emit new event based on a time interval before an upcoming calendar event. See the documentation

polling

Actions (16)

Accept Event

Accept a calendar event invitation and optionally send a response to the organizer. Use **List Events** or **Get Event** to find the event ID. See the documentation

Create Calendar Event

Create an event in the user's default calendar. Supports one-time and recurring events. See the documentation and recurring event example.

Decline Event

Decline a calendar event invitation and optionally propose an alternate time. Use **List Events** or **Get Event** to find the event ID. To propose a new time, pass proposedNewTime as a JSON string with start and end objects (each with dateTime in ISO 8601 format and timeZone as a Windows timezone name, e.g. "Pacific Standard Time"). Alternate-time proposals are only valid when the event has allowNewTimeProposals: true and sendResponse is true. See the documentation

Delete Calendar Event

Delete an event in the user's default calendar. See the documentation

Delete Recurring Event Instance

Delete an individual instance of a recurring event in the user's default calendar. See the documentation

Find Meeting Times

Suggest meeting times and locations based on organizer and attendee availability. See the documentation

Get Current User

Returns the authenticated Microsoft user's ID, display name, email, and principal name via Microsoft Graph. Call this first when the user says 'my calendar', 'my events', or needs to identify themselves as organizer/attendee. Use id or mail to filter results from **List Events** or set the organizer in **Create Calendar Event**. See the documentation.

Get Event

Retrieve a calendar event by its Microsoft Graph event ID. Pass the id from **List Events** when you need full details (for example body, attendees, or recurrence) that list responses may omit or truncate. See the documentation

Get Free/Busy Schedule

Get the free/busy availability information for a collection of users, distributions lists, or resources (rooms or equipment) for a specified time period. See the documentation

List Events

Get a list of event objects in the user's mailbox. See the documentation

List Time Zone Options

Retrieves available options for the Time Zone field.

Search Contacts

Search for contacts by name from your saved contacts list and retrieve their email addresses. See the documentation

Search People

Retrieve a collection of person objects ordered by their relevance to the user, based on communication and collaboration patterns and business relationships. See the documentation

Tentatively Accept Event

Tentatively accept a calendar event invitation and optionally propose an alternate time. Use **List Events** or **Get Event** to find the event ID. To propose a new time, pass proposedNewTime as a JSON string with start and end objects (each with dateTime in ISO 8601 format and timeZone as a Windows timezone name, e.g. "Pacific Standard Time"). Alternate-time proposals are only valid when the event has allowNewTimeProposals: true and sendResponse is true. See the documentation

Update Calendar Event

Update an event in the user's default calendar. See the documentation

Update Recurring Event Instance

Update an individual instance of a recurring event in the user's default calendar. See the documentation

Integration Features

Real-time data synchronization
Bi-directional sync capabilities
Custom field mapping
Advanced filtering options
Error handling & retry logic
Activity monitoring & logs

Popular Workflows

When Trello trigger → Create/Update in Microsoft Outlook Calendar

Most Popular
TrelloTrello

Card Moved (Instant)

Microsoft Outlook CalendarMicrosoft Outlook Calendar

Accept Event

When Microsoft Outlook Calendar trigger → Update Trello

Bi-directional
Microsoft Outlook CalendarMicrosoft Outlook Calendar

Calendar Event Deleted (Instant)

TrelloTrello

Add Attachment To Card

How It Works

1

Connect Apps

Authenticate your Trello and Microsoft Outlook Calendar accounts

2

Map Fields

Choose which data fields to sync between apps

3

Set Triggers

Define when and how data should be synchronized

Automate

Sit back and let AI handle the automation

Frequently Asked Questions

Integration Benefits

Real-time Data Sync

Automatic synchronization between Trello and Microsoft Outlook Calendar with 17 public triggers available for instant updates.

Automated Actions

Execute 40 public actions automatically across both platforms without manual intervention.

Enterprise Security

Industry-standard encryption, OAuth 2.0 authentication, and SOC 2 compliance for secure data transfer.

Quick Setup

Connect Trello and Microsoft Outlook Calendar in minutes with our guided setup wizard and pre-configured templates.

Custom Field Mapping

Map any field between Trello and Microsoft Outlook Calendar with intelligent suggestions and validation.

Error Handling

Automatic retry logic, detailed error logs, and smart notifications keep your integration running smoothly.

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Reverse Integration Available

Also connect Microsoft Outlook Calendar to Trello for bidirectional automation

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All Trello Integrations

Explore all available Trello connections

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All Microsoft Outlook Calendar Integrations

Explore all available Microsoft Outlook Calendar connections

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