How to convert a user mailbox to a shared mailbox in CoreView

  • Last update on August 27th, 2025

This how‑to explains how to convert a user mailbox to a shared mailbox in Exchange Online, individually or in bulk, using CoreView.

Operators are only able to view and manage mailboxes that are part of their defined V-Tenant scope.

 
  1. Select “ACTIONS > Management Actions > Mailbox > Convert to shared mailbox”.
  1. Select one or more user mailbox(es) or upload a CSV file with the list of targets.
  2. Click “Continue > Proceed”.
  3. Optionally, enter notes (such as a ServiceNow ticket number or the reason for the change) for audit and tracking purposes in CoreView.
  4. The selected mailboxes are converted to shared mailboxes.