Open Messaging
and select Options > Settings > E-mail > Mailboxes. Open a mailbox. Select Retrieval settings > Folder subscriptions.
Before you can subscribe to your mailbox folders, you must select Back to save the IMAP4 folder path in Retrieval settings and exit the e-mail settings. When you return to Retrieval settings, select Folder subscriptions to continue.
You can only view the contents of folders to which you have subscribed. Inbox is always subscribed. When you connect to your remote mailbox, all folders are updated.
To subscribe to more folders in your remote mailbox, scroll to the desired folder and select Options > Subscribe.
To end your subscription to a folder, scroll to the folder and select Options > Cancel subscription.
To update the list of folders between your device and remote mailbox, select Options > Update folder list.
To save your settings, select Back.