
On the Tools menu, select E-mail Accounts. Under Microsoft Exchange server, select to select the Use Cached Exchange Mode check box. On the E-mail tab, select the Exchange Server account, and then select Change. On the Tools menu, select Account Settings. On the E-mail tab, select your Exchange Server account, select Change, and then enable the Use Cached Exchange Mode option. On the File tab, select Account Settings, and then select Account Settings. If you must have the functionality that is offered by the DelegateSentItemsStyle registry value (=1), your other option is to change your profile from online mode to cached mode. Method 2 - Change your profile to cached mode In this key path, the placeholder represents 16.0 for Outlook 2016, Outlook for Microsoft 365 and Outlook 2019, 15.0 for Outlook 2013, 14.0 for Outlook 2010, 12.0 for Outlook 2007, and 11.0 for Outlook 2003. HKEY_CURRENT_USER\Software\Microsoft\Office\\Outlook\Preferences Locate and then select the following registry key: Windows XP: Select Start, select Run, type regedit, and then select OK. If you are prompted for an administrator password or for confirmation, type the password, or select Allow. Windows 7 or Windows Vista: Select Start, type regedit in the Start Search box, and then press Enter. Windows 8 and Windows 10: Press Windows Key+R to open a Run dialog box. To do this, use one of the following procedures, as appropriate for your version of Windows. Before you modify it, back up the registry for restoration in case problems occur. Serious problems might occur if you modify the registry incorrectly. If you set DelegateSentItemsStyle=0 in the registry, email messages that you send from a shared mailbox will be copied to your Sent Items folder and not the Sent Items folder of the shared mailbox.įollow the steps in this section carefully. Method 1 - Change the value of DelegateSentItemsStyle to 0 in the registry If these methods are not acceptable, see the Workaround section for additional options.
You can resolve this issue by using one of the following methods. You have the DelegateSentItemsStyle registry value set to 1.Your Outlook profile is configured in online mode (not cached Exchange mode).This problem occurs when all the following conditions are true:
When you send an email message from a shared mailbox, the sent email message remains in your Outbox until you manually perform a Send/Receive operation. Email remains in the Outbox when you use the DelegateSentItemsStyle registry value