This web page says it is supported. RingCentral Online Account | Supported Browsers
I can't find any info on how to do it. I do it with Chrome but want to use EDGE
What do you mean how to do it? The article you shared simply says you can log into your "RingCentral Online Account " with the supported browser list.
Online Account for dev: https://service.devtest.ringcentral.com
for Prod: https://service.ringcentral.com
Have you tried logging into it with MS Edge?
+1Rob, please try to check KB Article ID 55210.
Use the Click-to-Dial feature in the RingCentral App for Desktop
Enter your E-mail address. We'll send you an e-mail with instructions to reset your password.
