Can I fetch data from http servers ?

Question

Hello, I'm trying to build an add-in for my company's CRM. When I open an email, I want to fetch the user's data and display it. My server gets the point correctly and returns data, but it seems like Outlook is blocking it. It's really painful to work on the desktop version because it's very hard to see what went wrong. My guess is that it's blocking the response from my server because it's using HTTP. Also, why can't I deploy my add-in on the browser? It just doesn't load my add-in. I can add it through the file, and it gets added, but it can't fetch any data, images, or other resources. I believe the add-in on the browser is broken.

Answer 1

For the browser version (Outlook on the Web), please develop your application using a web add-in.

<Japanese>
ブラウザ版(Outlook on the Web)の場合はWebアドインでアプリケーションを開発して下さい。