Teams Tab - Website: "Your browser does not accept cookies"

Hi Jason_S,

Here are some general guidelines that might help ensure compatibility:

1. Authentication Methods: Ensure that your website supports standard authentication methods. Microsoft Teams relies on the web authentication mechanisms, and if your website uses something unconventional, it might not work.

2. Cookies: Since your specific error mentions a cookie issue, make sure your website uses cookies for authentication, and the cookies are handled correctly.
   Check the cookie settings on your website and make sure they align with standard practices.

3. Security: Microsoft Teams, like any other web-based application, adheres to web security standards. Ensure that your website uses HTTPS and follows security best practices. Mixed content (HTTP and HTTPS resources on the same page) might cause issues.

4. Cross-Origin Resource Sharing (CORS): If your website makes requests to domains other than its own, ensure that CORS headers are correctly set to allow these requests from the Teams environment.

5. JavaScript and Content Security Policy (CSP): Teams uses a web-based interface, and JavaScript is an integral part of many web applications. Ensure that your website's use of JavaScript and its Content Security Policy aligns with Teams' requirements.

6. Frame Embedding: Teams often uses iframes to embed websites. Ensure that your website can be embedded within an iframe. Some websites use settings (X-Frame-Options header) to prevent being embedded in frames; check if this is the case for your site.

Considerations for Teams integration - Teams | Microsoft Learn