Download original spreadsheet from Reinhart-Rogoff "Growth in a Time of Debt"
I know this was a while ago now but here is the excel file.

UPDATE: As somebody highlighted this is not the original 2010 file, but it does include the key raw data and some helpful instructions. 

Here is the link to the video of where I go through the process step - by - step: https://www.youtube.com/watch?v=ItGMz0ERvcw 

Hope this helps,
EBW.

Excel file