To enable 49 Tiles, follow the steps below while on the Meet call on a web browser.
Click on the “...” to the right of the bottom action bar > Change layouts
Move the slider to the number of tiles you desire e.g. 49
By default, the maximum number of tiles you’ll see in
Auto layouts is 12
Tiled layouts is 20
You can use a slider to increase the maximum number of tiles you see up to 49 tiles for Auto and Tiled layouts options