Apart from the option to blur your background in Microsoft Teams, you can also customize it. Here’s how you would do it on a desktop: 1. Open Microsoft Teams. 2. Start a video chat. 3. Hover your cursor over the screen and go to the toolbar. 4. Click on the three dots on the toolbar. 5. Go to Show background effects. 6. Either choose one of Microsoft Teams’ backgrounds or upload your own. 7. Select Add new if you want to upload one from your device. 8. Go to Preview and then Apply. If you want to customize your background in Microsoft Teams on your mobile device, follow the steps below: 1. Launch the app. 2. During a video chat, go to More options. 3. Tap on Background effects. 4. Choose a picture for your background or upload one from your phone. 5. Select Done.