Items that are deleted from a shared mailbox go to the wrong folder in Outlook

Summary

When you use Microsoft Outlook to delete items from a mailbox folder of another user for whom you have deletion privileges, the deleted items go to your own Deleted Items folder instead of the Deleted Items folder of the mailbox owner.

More information

Warning: Serious problems might occur if you modify the registry incorrectly. These problems could cause you to have to reinstall the operating system or even prevent your computer from starting. Microsoft can't guarantee that these problems can be solved. Before you modify it, back up the registry for restoration in case problems occur. Modify the registry at your own risk.

Switch the destination of deleted items

Outlook provides a Windows registry setting that you can use to switch the destination of deleted items to the mailbox owner's Deleted Items folder. 

To change this registry setting, follow these steps:

  1. Exit Outlook.

  2. Start Registry Editor. To do this, use one of the following methods, as appropriate for your version of Windows:

    • Windows 10 and Windows 8.1: Press Windows logo key+R to open a Run dialog box. Type regedit.exe, and then press OK.

    • Windows 7: Select Start, type regedit.exe in the search box, and then press Enter.

  3. Locate the following registry subkey:

    HKEY_CURRENT_USER\Software\Microsoft\Office\<x.0>\Outlook\Options\General

    Note The x.0 placeholder represents your version of Office (16.0 = Office 2016, Office 2019 or Office 365, 15.0 = Office 2013).

  4. Right-click the DelegateWastebasketStyle value, and then select Modify.

    If this registry value is not present, follow these steps to create it:

    1. Right-click the General folder in the path that's defined in step 3.

    2. Point to New, and then select DWORD Value.

    3. Type DelegateWastebasketStyle, and then press Enter.

  5. Change the value data in the Edit DWORD Value dialog box to one of the following values:

    • 8 = Stores deleted items in your folder.

    • 4 = Stores deleted items in the mailbox owner's folder.

    Note Make sure that the delegate user has at least Author-level permissions for the Deleted Items folder of the owner's mailbox. If the delegate does not have these permissions, and this registry option is set to 4, then either the item is deleted permanently or the user receives one of the following error messages:

    • The item could not be deleted, it was either moved or already deleted, or access was denied.

    • Operation Failed.

    • Some items cannot be deleted. They were either moved or already deleted, or access was denied.

    • Could not complete the deletion. The items may have been already deleted or moved.

  6. Exit Registry Editor.

  7. Restart Outlook.

Determine whether DelegateWasteBasketStyle was applied by using Group Policy

If this registry value has no effect, an administrator might have applied the setting by using a Group Policy setting. Group Policy registry values override settings that are configured in the user settings section of the registry.

If you determine that the "DelegateWasteBasketStyle" value exists in the following registry subkey, it's likely because Group Policy settings are used in your organization:

HKEY_CURRENT_USER\Software\Policies\Microsoft\Office\<x.0>\Outlook\Options\General

Note The x.0 placeholder represents your version of Office (16.0 = Office 2016, Office 2019 or Office 365, 15.0 = Office 2013).

To review Group Policy settings that apply to your user or computer account, contact your Active Directory administrator.

Did this fix the problem? If the problem isn't fixed, contact Microsoft Support.

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