How to sort Excel pivot rows based on information from more columns

Question

I have created an Excel (2013) Pivot table based on an outlook calendar reminders extract.

See image here:

Main columns are Subject, recurring (Y/N), Start Date, etc. (see the file https://gofile.io/?c=3xvJPT ).

Pivot does a sorting based on the Subject (rows) but I need to sort it by the start Date (from column C to column L). Please note some Subjects occur more than once.

See image here:

I am also trying to have dates (14/05/2019) instead of '1's in the cells.

Answer 1

I think a solution would be to group Subjects by date as you see in the image below:

https://imgur.com/cllUj9I