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Dear Nusrat Admin,
Good day! Thank you for posting to Microsoft Community. We are happy to help you.
Based on your description, I understand that you have a query "How to delete a folder inside shared mailbox?" Before we proceed, we need more detailed information about the situation you are experiencing.
Please help us in isolating the issue by providing the following information:
- Where are you trying to delete the folder? In outlook client or Outlook on the web?
- Also may i know which folder are you trying to delete? Is this sub folder ?
- Have you checked to confirm the full access permission is assigned to have full control of the mailbox? You can use the Add-MailboxFolderPermission -Identity Sharedmbx:\foldername -user username - AccessRight Owner PowerShell command.
- Are you getting any error when trying to delete folders?
- Have you checked to confirm there is no retention policy assigned that prohibits user to delete any item?
We look forward to hearing from you; Please understand that our initial reply may not always immediately resolve the issue. However, with your help and more detailed information, we can work together to find a solution. Thank you for your cooperation.
Sincerely,
De Paul | Microsoft Community Moderator