To share Office 365 with her customers HCS uses a feature called "Azure Active Directory Business to Business". This means that an HCS admin follows the following steps to grant HCS Clients access to SharePoint:
- Add the user as a Guest User to Azure AD
- Add the user to the applicable SharePoint Site
- Share the address (url) of the Site with the users requiring access
Step 1 results in an email invite for which the user needs to follow some steps:
- If the user is already an Office 365 or Azure AD user; this is how the steps will look like
- If the user is using an email that is still on-premises or is a consumer email address; the steps will look like this
After these steps have been completed the administrator of the SharePoint Site will add you to the site and share the address of the site with you.