Forum Discussion
Luca_lrn
Jul 28, 2026Copper Contributor
How to share calendar from Shared mailbox to mobile app
Hi, In our organization, we have the following requirement: to create three calendars within a shared mailbox and make them visible to members on both PC and the mobile app. On the PC, they are vis...
Kidd_Ip
Jul 29, 2026MVP
Outlook mobile currently supports only the primary calendar of a shared mailbox. Additional calendars created inside the shared mailbox do not sync to the Outlook mobile app, so they remain visible only in Outlook desktop or Outlook on the web. There is no supported way to expose multiple sub‑calendars from a shared mailbox directly in Outlook mobile.
https://support.microsoft.com/en-us/outlook/add-a-shared-mailbox-to-outlook-mobile