Policy
Sent Items Folder Home Page
This policy setting allows you to modify the "Show home page by default for this folder" in the Home Page tab of the Sent Items Properties dialog box. If you enable this policy setting, you will set the "Show home page by default for this folder" check box. You will also be able to enter a URL, which has a maximum limit of 129 characters. If you disable or do not configure this policy setting, the "Show home page by default for this folder" check box will not be checked.
3f680447c141 L_SentItemsFolderHomePage Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\outlook\webview\sent mail\urlHKCU\software\policies\microsoft\office\16.0\outlook\webview\sent mail\showHKCU\software\policies\microsoft\office\16.0\outlook\webview\sent mail\securityPolicy notes
This policy setting allows you to modify the "Show home page by default for this folder" in the Home Page tab of the Sent Items Properties dialog box. If you enable this policy setting, you will set the "Show home page by default for this folder" check box. You will also be able to enter a URL, which has a maximum limit of 129 characters. If you disable or do not configure this policy setting, the "Show home page by default for this folder" check box will not be checked.