Export animated GIFs with transparent backgrounds

We have started rolling out the ability to export animated GIFs with a transparent background in PowerPoint to Office Insiders.

Transparent Background Animated Videos Sticker for iOS & Android, GIPHY

Transparent gif background - Help/How To - Shotcut Forum

animation - Glitchiness when I add transparency to a gif and convert it to webm - Stack Overflow

How to make an animation with a transparent background in krita? - General Questions - Krita Artists

How To Create Transparent Background GIFs

How to export animated GIFs (with a transparent background) - Adobe Animate CC Tutorial

java - Problem with gif with transparent background - Stack Overflow

Paint 3D Transparent Gif - Microsoft Community

Create Transparent GIFs with Blender + Adobe Photoshop, by Heshan Wickramaratne

Using PowerPoint's Animated GIF Function

Is it possible to make the background of an animated GIF transparent? - Clip Studio Official Support

c# - Transparent animated gif picture show above another picture - Stack Overflow