title: Microsoft Graph API I can't access my calendar (ResourceNotFound)
body: <p>I work with a client who wants to retrieve events from an outlook calendar.</p>
  <p>So I registered from the azure portal an application to access the API.</p>
  <p>I manage to generate the token and also to load my user infos with urls :</p>
  <pre><code>https://login.microsoftonline.com/{tenantid}/oauth2/v2.0/token (worked)
  https://graph.microsoft.com/v1.0/users (worked)
  </code></pre>
  <p>For scope for generate my token, I use &quot;https://graph.microsoft.com/.default&quot;.</p>
  <p>When I want to access my calendar (the email of my azure account and the same as my outlook account) I have an error :</p>
  <pre><code>https://graph.microsoft.com/v1.0/users/{user_id}/calendar
  </code></pre>
  <p>My response :</p>
  <p><a href="https://i.stack.imgur.com/0a1Xs.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/0a1Xs.png" alt="enter image description here" /></a></p>
  <p>Screen of my calendar :</p>
  <p><a href="https://i.stack.imgur.com/OJ1U7.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/OJ1U7.png" alt="enter image description here" /></a></p>
  <p>From this url :</p>
  <pre><code>https://outlook.live.com/calendar/0/view/month
  </code></pre>
  <p>Permissions of my app are done.</p>
  <p><a href="https://i.stack.imgur.com/3QRYh.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/3QRYh.png" alt="enter image description here" /></a></p>
  <p>To summarize, I can access my user info but my calendar seems to be non-existent. How can I make my calendar known to my application? Thanks !</p>