Google Groups allow you to communicate with colleagues, by sharing a common email address that can be used for emails and document sharing.
To create a new Google Group:
Click on the Apps Launcher button and choose Groups
Click on Create Group on the left-hand side of the screen
Click on the Create Group button
Enter a name for the new group
Type the first part of the group's email address - this will be followed with @ and your company domain
Enter a description of the group to enable your colleagues to find it easily
Click on Next
Choose who will be able to find the group in Google Workspace - this can be everyone in the organisation or anyone on the web
Choose who can join the group - this can be anyone in the organisation, only invited users or anyone. You can also specify here whether people can join automatically or if they need to ask to join
Choose who will be able to view conversations, post new messages and view the membership of a group
Click on Next
Click in the Group Members box and type the name of each person you wish to add to the group
Click in the Group Managers box and type the name of each person you wish to add as a manager in the group
Click in the Group Owners box and type the name of any additional people you wish to add as a owner of the group
Enter a welcome message to show in the group if required
Choose how each member of the group will receive notifications of messages in the group. They can receive a copy of each message sent to the group or a summary of messages.
Click on Create Group
The group will be created and a summary of members will be shown on screen. Click on Go to group to view the group.
Once you have created a standard Google Group using the above instructions, you will need to enable Collaborative Inbox features as follows:
Click on the name of the group created above
Click on Group Settings on the left-hand side of the screen
Under Enable additional Google Groups features, choose Collaborative Inbox
Click on Save changes