When doing analysis with Jupyter Notebooks, you will frequently find yourself generating ad-hoc Excel reports to distribute to your end-users. After time, you might end up with dozens (or hundreds) of notebooks and it can be challenging to remember which notebook generated which Excel report. I have started using Excel document properties to track which notebooks generate specific Excel files. Now, when a user asks for a refresh of a 6 month old report, I can easily find the notebook file and...