On the same page, Microsoft is offering a few tips to organize a holiday party at your organization using the Microsoft Teams platform as the channel. Microsoft is also encouraging organizations to develop and deploy custom-made backgrounds to express their internal teams’ digital identity and spirit, regardless of whether they are thousands of kilometers apart.
The company repeats that adding more and more background images over time makes it a repository worth checking out. Some of the powerful algorithms on the Teams applications ensure this. Even more so, you can use these custom background images on Teams without needing advanced stuff like Chrome keying or a green screen. You should also note that the custom backgrounds posted by Microsoft are of very high quality. The backgrounds are stored in this folder: %AppData%\Microsoft\Teams\Backgrounds
On a related note, if you are interested in creating a unique custom background for your devices, you can upload some of them to the platform. On this website, you can view the background images designed by the Microsoft design team and the ones uploaded by fellow community members. Custom backgrounds gallery for Microsoft Teams launched