A method includes displaying a plurality of group-based communication channels in an interface associated with a first user of a group-communication platform; receiving a request from the first user to share a selected set of the group-based communication channels with at least a second user of the group-based communication platform; displaying to at least the second user an indication of at least one group-based communication channel of the selected set of group-based communication channels and an affordance to add the at least one group-based communication channel of the selected set of group-based communication channels; in response to receiving an actuation of the affordance by the second user, adding the at least one group-based communication channel to an interface associated with the second user; and updating display of the interface associated with the second user to include the at least one group-based communication channel.