Hi Jinde Zheng,
Could you please link me to the article you've tried from our knowledge base?
The Workbook itself could provide me with more information as well.
I'm sorry, the workbook could not be shared.
There is a method i successed in downgrade 9.3 to 9.2.
But it failed in this workbook. i don't know why.
the method is changing all the 9.3 into 9.2 in the text followed:
Retrieving data ...