This file is capable of exporting the entire physics parameter files for the Formula ISI 2012 car (minus tyres). To be more specific, these files correspond to the HDV, engine.ini, gear.ini (optional), damage.ini and ultra chassis.ini. There is also a headphysics.ini output, but this is purely graphical (cockpit camera) and does not alter the vehicle physics.
It requires LibreOffice.org 4.2.7+ (recommend 4.3.7) available from here.
Once you have that installed, you can open the file. The spreadsheet does make use of some macro's (although most of them are non-essential and you can use the spreadsheet without them), to make use of them, you will have to allow them in the security settings.
Once you open it, you will be greeted with a large bunch of tabs, and on the first sheet, (the "Working" sheet), you will see some basic usage instructions. To summarise, the orange tabs are the 'export tabs'. You still have to manually copy these (ctrl+a, ctrl+c and paste into a text editing software).
To create a new car, is always going to be a bit pain staking. I've attempted to calculate as many things as possible, automatically, and the spreadsheet helps to visualise certain items, work is still on-going in this area too. The spreadsheet still requires a good understanding of vehicle dynamics. While it can help you get a car more accurate, it requires good data and patience.
