Can on-premise exchange outlook mailbox appointment scheduler lookup with office 365 mailbox free-busy appointment

JOE TAM 91 Reputation points

Dear sir,

 We have a customer company1 using on-premises exchange 2019 standard edition with mailbox Boss1. It has a Boss2 mailbox in company2 which is using office 365 online server.

 IT received a requirement that is it possible to have a method that Boss1 Outlook of appointment view, which can also lookup the Boss2 of free-busy appointment view. Then they can create meeting easily for work? Such as link up with 2 company organization on exchange etc. ?

Please suggest.
Joe Tam

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
7,380 questions
0 comments No comments
{count} votes

1 answer

Sort by: Most helpful
  1. Kael Yao-MSFT 37,571 Reputation points Microsoft Vendor

    Hi Joe.

    You may create an organization relationship in Exchange online to share the free/busy information with an Exchange on-premises organization.

    Here is two links on this topic for your reference:
    Introduction: Organization relationships in Exchange Online
    How to create: Create an organization relationship in Exchange Online

    If the response 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.

    1 person found this answer helpful.