Excel VBA代码从outlook中检索电子邮件

I am to write a VBA code that would retrive emails from Outlook based on certain conditions. The problem I have is that I have to denote a certain folder in my code (in the example below the folder denoted is "PRE Costumer". I would like to retrive all emails from my 'inbox' or in better case from all outlook folders. The problem is that my inbox consists of many subfolders (because of rules0. My problem is that I may not know all the subfolders names (as many useres are going to use the macro and even someone can have the e mails in Personal Folders).I am to write a VBA code that would retrive ema