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How to mail-enable or mail-disable public folders in Exchange Online

Public folders are designed for shared access. They provide an effective way to collect, organize, and share data within your group or organization. Mail-enabling a public folder enables users to send an email to it. When mail-enabled, additional settings, such as email addresses and mail quotas, become available in the Exchange admin center (EAC).

In Exchange Online PowerShell, you use the Set-PublicFolder cmdlet to manage settings before mail-enabling. Afterward, you use both Set-PublicFolder and Set-MailPublicFolder cmdlets. To allow internet users to send mail to a mail-enabled public folder, you must set additional permissions with the Add-PublicFolderClientPermission cmdlet.

The tables below compare how to mail-enable or mail-disable public folders using Exchange Online and M365 Manager Plus.

Entra ID

How to mail-enable or mail-disable a public folder in EAC

  1. Open EAC
  2. Navigate to Public folders.
  3. Select the public folder you want to mail-enable or mail-disable from the list displayed.
  4. Under the General section, select or unselect the Mail-enabled checkbox.
  5. Click Save.

Use the following cmdlets to mail-enable or mail-disable a public folder using the Exchange Online PowerShell:

M365 Manager Plus

How to mail-enable or mail-disable a public folder in M365 Manager Plus

  1. Log in to M365 Manager Plus.
  2. Navigate to Management > Exchange Online > Public Folder Modification .
  3. Select either the Mail Enable Public Folder or the Mail Disable Public Folder task according to what you need.
  4. You can either enter the name of the public folder(s) manually or import the list in a CSV file.
  5. Click Find.
  6. Check the list displayed and click on Apply to apply the changes.

Limitations of using Entra ID admin center

  • You cannot modify public folders in bulk.
  • Administrators should have the required role to access individual native admin centers and execute tasks in them.

Benefits of using M365 Manager Plus to mail-enable or mail-disable public folders

  • Easily mail-enable or mail-disable public folders in bulk and individually, all from a single console.
  • Assign these tasks to any technician without needing to grant them elevated native privileges.
  • Manage AD and Microsoft 365 objects in bulk and automate repetitive tasks.
  • Generate intuitive reports and keep an eye on user and admin activities in your Microsoft 365 environment.
  • Monitor the health and performance of your Microsoft 365 services 24/7.
  • Generate detailed audit reports and easily meet compliance standards.
  • Delegate custom roles to help desk technicians and reduce the administrator's workload.

Effortlessly modify public folders in bulk.

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  • Streamline your Microsoft 365 governance and administration with M365 Manager Plus

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