1. A method for promoting enterprise adoption of a collaboration platform accessible as a cloud-based service, the collaboration platform including a plurality of enterprise-specific deployments, the method, comprising: determining that a current user is eligible to invite potential additional users to create accounts linked with a particular enterprise deployment of the collaboration platform if the current user has a collaboration platform account linked with the particular enterprise; wherein the particular enterprise deployment of the collaboration platform includes a plurality of shared work items stored in a plurality of workspaces, the plurality of shared work items accessible to collaborators affiliated with the particular enterprise; causing display to the current user, via an interface for accessing the plurality of shared work items stored in the particular enterprise deployment of the collaboration platform, an option to invite a group of potential additional users to create accounts linked with particular enterprise deployment of the collaboration platform, in response to determining the current user is eligible; receiving identifying information for the group of potential additional users, the identifying information submitted by the current user via the displayed option; identifying enterprise affiliations for the group of potential additional users based on domain information included in the received identifying information; identifying one or more eligible potential users from the group of potential additional users that are affiliated with the same particular enterprise as the current user based on the identified enterprise affiliations; transmitting, via a computer network, to each of the identified one or more eligible potential users, an invitation to create a new account with the collaboration platform; and creating new accounts linked to the particular enterprise deployment of the collaboration platform for one or more new users, wherein the one or more new users are those of the identified one or more eligible potential users who accept the invitations.