How to add URL links as individual tabs in MS Teams using SharePoint

1. Navigate to the SharePoint Online site associated with your team in MS Teams. Note: See Open Associated SharePoint Online for instructions.
2. Click the New drop down and select "News link".
3. In the right sidebar flyout, enter the URL of the site you wish to link to; for example: https://it.uw.edu/.
4. Once the website preview loads, edit the fields (if needed) and then click "Post".
5. The URL link is now posted as a News entry, and if the News Webpart is added to your SharePoint online home page, it will display like this: Note: The posting is located under the "Pages" section of the site. 
6. Navigate back to the team in MS Teams and select the Channel where you want the URL tab to appear. 
7. Click the + (plus sign) to "Add a tab" and select the "SharePoint" icon (search by name if it doesn't appear automatically).
8. Specify the settings of the following screen:
   1. Select the SharePoint site name where you added the News link, in this case, the one associated with your team. 
   2. Select the Pages tab. 
   3. Select the News link from the list of content. 
   4. Optional: uncheck the box if you do not want a channel post announcing you added a new tab to the channel. 
   5. Click Save.
9. The URL will now display as a tab at the top of the channel in your team, and display the page: