For finding the Public Tokens for Python or other code that requires inclusion of assemblies- thread on finding those and an more basic excel python connector from my version in previous and later posts- is included here for reference. Refer to the C:\Windows\assembly folder- the public token Key is listed there! --- https://forum.dynamobim.com/t/read-excel-file-node-opens-excel-file/7813 Nov '16 Hello All, Whenever I try to run the “Read.Excel” node in dynamo it opens the excel file along with it. Is there a way to stop opening the excel file? Solved by Atkins14 in post #6 i have put together a bit of python code which closes the active workbook, you should be able to copy and paste the below code in. It uses an if statement as a trigger. Its a bit messy as you need to use this everytime a spreadsheet is opened. Ideally, would want this to run right at the end and clo… Reply created Nov '16 last reply 7h 1