For every client in its own profile :
From Office 2016+
In regedit HKCU \software\Microsoft\Office\xx\Outlook\Preference
dword 32 key : DelegateSentItemsStyle value : 1
And in Outlook
Put cache mode on.
For every client in its own profile :
From Office 2016+
In regedit HKCU \software\Microsoft\Office\xx\Outlook\Preference
dword 32 key : DelegateSentItemsStyle value : 1
And in Outlook
Put cache mode on.