> ## Documentation Index
> Fetch the complete documentation index at: https://cal.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Microsoft

#### Obtaining Microsoft Graph Client ID and Secret

<Steps>
  <Step title="Open Azure App Registration">
    Go to [Azure App Registration](https://portal.azure.com/#blade/Microsoft_AAD_IAM/ActiveDirectoryMenuBlade/RegisteredApps) and select "New registration".
  </Step>

  <Step title="Name your application">
    Provide a name for your application to proceed with the registration.
  </Step>

  <Step title="Set who can use this application">
    Set **Who can use this application or access this API?** to **Accounts in any organizational directory (Any Azure AD directory - Multitenant)**.
  </Step>

  <Step title="Configure the Web redirect URI">
    Set the **Web** redirect URI to:

    ```
    <Cal.com URL>/api/integrations/office365calendar/callback
    ```

    Replace `<Cal.com URL>` with the URL where your application runs.
  </Step>

  <Step title="Obtain and set the MS_GRAPH_CLIENT_ID">
    Use the **Application (client) ID** as the value for **MS\_GRAPH\_CLIENT\_ID** in your `.env` file.
  </Step>

  <Step title="Create a client secret and set MS_GRAPH_CLIENT_SECRET">
    Click on **Certificates & secrets**, create a new client secret, and use the generated value as the **MS\_GRAPH\_CLIENT\_SECRET** in your `.env` file.
  </Step>
</Steps>