Web browser link: https://afsofile.synology.me:26339/
Use your username and password to login, if you forgot, please message me, I will reset it for you.
There also iOS and android app as well
iOS download link: https://apps.apple.com/us/app/synology-chat/id1121875041
Android download link: https://play.google.com/store/apps/details?id=com.synology.dschat&hl=en&gl=US
