To remove the background from an image or logo, follow these steps:
1- After you've removed the background from your image, click Export at the top right corner of your screen.
2- Click Download Now.
3- Toggle the Transparent Background switch to On (it will turn yellow when it's toggled on)
4- Choose your export file type from the Download As dropdown menu (PNG for transparent backgrounds).
5- Click on Export now and you're done!