How to share one SharePoint tenant's all site collections with another SharePoint tenant's user?

Meet Bhatt 21 Reputation points
2021-03-22T05:38:18.023+00:00

Hello Everyone,

I have two different SharePoint tenants. I need to share all site collections of first tenant with another SharePoint tenant's user.

For example, i have two different tenants like tenant1.sharepoint.com and tenant2.sharepoint.com. Now, under tenant1 there are many site collections that i need to share with tenant2 user.

Can anyone help me for the same?

Thanks in Advance.

Regards,
Meet Bhatt

SharePoint
SharePoint
A group of Microsoft Products and technologies used for sharing and managing content, knowledge, and applications.
9,735 questions
0 comments

1 answer

Sort by: Most helpful
Most helpful Newest Oldest
  1. ChelseaWu-MSFT 6,316 Reputation points
    2021-03-22T06:37:05.78+00:00

    There are a couple of options based on your need:

    1. If we are talking about basic sharing and granting access (one-way), you can invite the users from Tenant 2 by using External Sharing feature.
      Guest user accounts will be automatically created in Tenant 1 once they accept the invitation. After that, you can give them access to the sites by granting permission to the guest user accounts.
      Reference: Collaborate with guests in a site.
    2. If you need to do further collaboration between the two tenants, you can refer to the document here for more information on Microsoft 365 inter-tenant collaboration.
    3. Another option for collaboration is to create a B2B extranet and put all the contents you want to share in that site. The contents will be kept in one place and the users from Tenant 2 will not have access to other locations in Tenant 1 except for this site.
      Another post for detailed introduction: Sharing SharePoint site between Office 365 tenants.

    If an Answer is helpful, please click "Accept Answer" and upvote it.
    **Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread. **