OutlookとSlackの連携イメージ
How to Integrate Applications

2025-04-17

How to integrate Outlook with Slack to send messages to Slack when received in Outlook

r.oba

In the business field, managing emails and sharing information about negotiations and projects can be considered one of the factors that smooth team collaboration and increase work efficiency. By utilizing Yoom to integrate Outlook and Slack, it becomes possible to automatically send messages received in Outlook to Slack. This can save the trouble of checking emails individually and prevent missing important information. This article explains how to set up the flow to automatically send messages to Slack when received in Outlook and the benefits of implementing it. Recommended for: - Those who want to use Outlook and Slack respectively and integrate each app to improve work efficiency. - Customer support representatives who want to respond quickly to customer inquiries. - Sales representatives who feel the need to smoothly share new negotiation and project information. - Team leaders who feel challenged by prioritizing emails and organizing information within the team. Benefits and Examples of Integrating Outlook and Slack Benefit 1: Improved Efficiency in Support Operations By integrating Outlook and Slack, you can forward emails received in Outlook to Slack. For example, in a customer support team, sharing inquiry emails from customers on Slack allows multiple representatives to quickly consider and respond with solutions. This can save the trouble of checking emails individually and reduce the risk of missing important content. Benefit 2: Smooth Collaboration Between Teams The integration of Outlook and Slack allows for quick information sharing on Slack. For example, when a new negotiation email is received, it is automatically forwarded to the sales team's channel, allowing all team members to quickly check the information. This ensures that everyone is up-to-date, strengthening team collaboration. Benefit 3: Email Prioritization By integrating Outlook and Slack and automatically forwarding received emails to Slack, you can set rules to distribute them to specific channels based on content. For example, by setting up to automatically forward urgent emails from business partners to an important project channel, you can ensure that emails requiring immediate attention are not missed. Accurately judging email priorities and responding quickly can enhance the company's reliability. [About Yoom] How to Send Messages to Slack When Received in Outlook This can be achieved by using Outlook's API to receive emails and sending them to Slack using Slack's API. Generally, programming knowledge is required to achieve this, but with the no-code tool Yoom, it can be easily achieved without programming knowledge. This time, we will create it through the following major processes: - Register Outlook and Slack as My Apps - Copy the template - Set the Outlook trigger that serves as the starting point of the flow and the subsequent Slack operation settings - Turn on the trigger button and check the integration operation of Outlook and Slack If you are not using Yoom, please register for free from [here](https://yoom.fun/members/sign_up?_gl=1*1h4mqzt*_gcl_au*MjA4ODM2MDQzNi4xNzM0MjcyNDMx*_ga*NTAyNTk4NTgxLjE3MzQyNzI0MzI.*_ga_663H387CXM*MTczNjEyMTQwNS4zMS4xLjE3MzYxMjI1MzMuNTQuMC4yMTI5ODE0ODc.). If you are already using Yoom, please log in.

Step 1: Connect Outlook and Slack with My Apps

Register My Apps to connect Outlook and Slack to Yoom.
By registering My Apps first, you can easily set up automation.

First, register My Apps for Outlook.
Click "My Apps" → "New Connection" on the left side of the Yoom screen.

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An app list and search bar will be displayed, so use either to select Outlook.
Select the account to sign in with on the following screen.
Note: Microsoft365 (formerly Office365) has a home plan and a general business plan (Microsoft365 Business). If you are not subscribed to the general business plan, authentication may fail.

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After selection, enter your password and click "Sign In".

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This completes the My Apps registration for Outlook.

Next, register My Apps for Slack.
Similarly, search for Slack from the app list or use the search bar.

Enter the "Slack URL" of the workspace you want to sign in to and click "Continue".
If you have any questions, please refer to here.

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Allow access on the following screen.
This completes the My Apps registration for Slack.

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Once both My Apps registrations are complete, Outlook and Slack will appear in My Apps.

Next, let's proceed with the setup using the Flowbot template.
Log in to Yoom and click "Try it" on the banner below.

The message "Template has been copied!" will be displayed, and clicking "OK" will complete the copying process.

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Step 2: Set the Trigger

Next, set the trigger for Outlook. Click "When an email is received".

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Check the "Account information to integrate with Outlook".
You can freely change the title, but keep the trigger action as is and click "Next".

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Next, configure the API settings.
You can select the "Trigger interval" from 5 minutes, 10 minutes, 15 minutes, 30 minutes, or 60 minutes.
Please note that the shortest trigger interval varies depending on the plan.

Select the "Mail folder ID" from the options.

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After setting, click "Test".

When you run the test, information will be displayed in the output.
Confirm that the information is displayed and click "Save".

Step 3: Set the Action

Next, set the action for Slack. Click "Send a message to the channel".

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Next, check the "Account information to integrate with Slack".
You can freely change the title, but do not change the execution action.

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Configure the "API connection settings".
Select the "Channel ID to post to" from the options.

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In "Message", set the content to be sent to Slack as desired.
You can input the information obtained from "When an email is received" in the "Output".

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After setting, click "Test" and if "Test successful" is displayed, click "Save".

Step 4: Verify the Automation between Outlook and Slack

Finally, click "Turn on trigger" to complete the automation settings.
Now, when a message is received in Outlook, it will be automatically sent to Slack.

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Here is the template used this time.

Examples of Other Automations Using Outlook and Slack

There are many other examples of automation using Outlook and Slack in Yoom, so here are a few to introduce.

1. A flow to send files posted on Slack through integrated Outlook

With this integration, you can send files posted on Slack through integrated Outlook.
This eliminates the need for manual tasks such as data selection and email creation, improving work efficiency.

2. Flow to Read Contracts Received in Outlook with OCR, Add to kintone, and Notify on Slack

With this integration, you can read contracts received in Outlook using OCR, add them to kintone, and notify on Slack.
This eliminates the need to manually enter contract information received via email, facilitating smooth information sharing.

3. Flow to Create Response Content in Dify and Notify in Slack When Inquiry Email is Received in Outlook

With this integration, when an inquiry email is received in Outlook, the response content can be created in Dify and notified in Slack.
This eliminates the need for manual response tasks, allowing staff to focus on other duties.
Additionally, it enables quick responses to customer inquiries, which can lead to improved customer satisfaction.

Summary

This time, we introduced a method to integrate Outlook with Slack and send messages to Slack upon receiving them.
With this automation, you can quickly share information and prevent missing important updates.
This can lead to strengthened team collaboration, improved work efficiency, and enhanced company reliability.
Take this opportunity to use the template and aim to streamline your work by integrating Outlook with Slack.

Additionally, Yoom's app integration can be set up without any coding, allowing anyone to start immediately. Please consider implementing it.

The person who wrote this article
r.oba
I've worked as an engineer at a materials company for automotive exterior parts. Utilizing the experience of being exposed to various systems, We will use Yoom to disseminate useful content for doing business efficiently.
Tags
Outlook
Slack
Integration
Automation
Automatic
Notification
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