Edit an Account

  private void EditAccount()
{ 
Outlook.ApplicationClass _app = new Outlook.ApplicationClass();
Outlook.Application olApp = (Outlook.Application)_app;
Outlook.NameSpace olNameSpace = _app.GetNamespace("MAPI");
Outlook.Folders folders = olNameSpace.Session.Folders;
Outlook.Folder bcmRootFolder = (Outlook.Folder)folders["Business Contact Manager"];
Outlook.Folder accountsFolder = (Outlook.Folder)bcmRootFolder.Folders["Accounts"];
string strQuery = "[FileAs] = 'Wide World Importers'";
Outlook.ContactItem accountItem = (Outlook.ContactItem)accountsFolder.Items.Find(strQuery);
if (accountItem != null)
{
accountItem.BusinessAddressCity = "New City Address";
accountItem.BusinessAddressState = "New Address State";
accountItem.BusinessAddressStreet = "New Address Street";
accountItem.Save();
}
else
{
  Console.WriteLine("Account not found"); 

}
}

  Sub EditAccount()
Dim olApp As Outlook.Application
Dim objNS As Outlook.NameSpace
Dim bcmRootFolder As Outlook.Folder
Dim olFolders As Outlook.Folders
Dim bcmAccountsFldr As Outlook.Folder
Dim existAcct As Outlook.ContactItem
Set olApp = CreateObject("Outlook.Application")
Set objNS = olApp.GetNamespace("MAPI")
Set olFolders = objNS.Session.Folders
Set bcmRootFolder = olFolders("Business Contact Manager")
Set bcmAccountsFldr = bcmRootFolder.Folders("Accounts")
Set existAcct = bcmAccountsFldr.Items.Find("[FileAs] = 'Wide World'")
If Not TypeName(existAcct) = "Nothing" Then
  existAcct.BusinessAddressCity = "New City Address"
  existAcct.BusinessAddressState = "New Address State"
  existAcct.BusinessAddressStreet = "New Address Street"
  existAcct.Save

Else
  MsgBox ("No account found with Full Name Wide World Importers")

End If
Set existAcct = Nothing
Set bcmAccountsFldr = Nothing
Set olFolders = Nothing
Set bcmRootFolder = Nothing
Set objNS = Nothing
Set olApp = Nothing
End Sub