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Work with trust parties

2 min read
I. Intro
With the Trusted Parties function, your organization can establish relationships with 1 or more other organizations, to allow efficient collaboration between shared members without the need to add each other as contacts.
Once a trusted party relationship has been established and the administrator has configured the access rules, you can search for shared members of the other party, view their profile pages, and collaborate with them.
II. Steps
For example, your organization designates Organization A as a trusted party and has allowed you to access a member named Alice from Organization A.
Search for members
You can search for Alice in the following scenarios (users can search for members using their name, job title or staff ID):
  • When performing a general search
  • When creating groups
  • When adding members to a group
  • When sharing documents
  • When mentioning members in a document
  • When searching for meeting participants
View contacts
You can view the shared departments or members of A under Contacts > Trust Parties. The visibility follows the trusted party rules set by your primary administrator.
View profile pages
You can view the profile of Alice according to organization A's trusted party rules. You may see less content on the profile pages of Organization A's members than that of members in your own organization, because Organization A's administrator has set so. By default, only the name field is displayed.
Collaborate with members from trust parties
As long as you can find Alice by searching in Lark, you can collaborate with Alice without adding her as a contact in the following ways:
  • Start a private chat with Alice
  • Add her directly into a group chat (external groups only)
  • Invite Alice to an audio or video call
  • Share a document with Alice, and @mention Alice in a document
Note: The collaboration permission is controlled by your organization's administrator. Contact your administrator if you have issues.
If the trusted party relationship between the two organizations is revoked, you can still talk with Alice in your private chat or initiate a conversation if you have added each other as a contact. Otherwise, it's also possible to find each other by searching for phone numbers and initiating a conversation, depending on the privacy settings and the permission rules of both organizations.
III. FAQs
Why can't the members find the "Trust Parties" option in Contacts, search for or find members from a trusted party?
Possible reasons are:
  • The administrator has not configured Collaboration Rules, so organization members can't see the Trust parties option in Contacts.
  • Solution: Configure which departments and members of the organization can see certain departments and members of the other organization in Collaboration Rules. For more information, see the "Set the sharing scope" section for Organization A in this article.
  • The administrator has configured collaboration rules, but the members are not within the scope of the rule.
  • Solution: Add the members or their departments to the rule's scope.
If a member no longer has external communication permissions, can they communicate with members of a trusted party?
The member can still communicate with members shared by the trusted parties, but they will not be able to communicate with external contacts outside any trusted parties (even if they communicated previously, they won't be able to anymore).
Can members who are not permitted to add external collaborators or activate external sharing still share documents with members of trusted organizations?
Yes. Administrators can go to Security > Member Permissions > Docs settings in the Lark Admin Console and allow sharing with all or some trusted parties.
Written by: Lark Help Center
Updated on 2025-01-17
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