Hi all. I'm trying to develop an AddIn using Visual Syudio 2008 Visual Basic, for Outlokk 2007. I'm able to detect the "SelectionChange" event for the current explorer, the program work fine, but the problem is that I have an IMAP account and so 2 different PST files : OUTLOOK.PST and IMAP.PST As soon as the program start it correctly detect that I'm working on the OUTLOOK.PST default file. But if I change selection and go in the "send folder" of Imap account I'm able to see the corrent user name : my.user@imap.xxx but I'M NOT ABLE TO DETECT THE CORRECT PST FILE. What I use to do this is : ----------------------------------------------------------------------- Public WithEvents CurExplorer As Outlook.Explorer Private Sub CurExplorer_Activate() Handles _ CurExplorer.SelectionChange Dim CurFldName As String Dim CurFldPath As String Dim CurUser As String Dim CurEntryId As String Dim CurStoreId As String Dim i As Integer CurUser = Me.Application.Session.CurrentUser.Address CurFldName = CurExplorer.CurrentFolder.Name CurFldPath = CurExplorer.CurrentFolder.Store.FilePath CurEntryId = CurExplorer.CurrentFolder.EntryID CurStoreId = CurExplorer.CurrentFolder.StoreID pippo = Me.Application.GetNamespace("MAPI"). _ GetFolderFromID(CurEntryId, CurStoreId).Items End Sub ------------------------------------------------------------------------ when I'm using OUTLOOK.PST file all is ok but when I select a IMAP folder the CurStoreId is always empty Any idea ? Alberto