Microsoft Teams is an application which allows you to talk with up to 300 people online and does not need Office 365 to use. This can be done by text message, audio or audio and video. You can also post files, pictures and other documents which other s can look at and download if needs be. It is farly easy to set up and allows you to have several “channels” (or groups) which are seperate from each other so one for family and one for friends etc.
Here are a couple of links to download the software and instructions on how to set up and use Teams.
Set up and user guide :- downloads_introduction_to_microsoft_teams
If you have any problems then you can contact me on firstname.lastname@example.org
Lets get this set up and stay in touch with your groups and your friends and family. Good luck.