1. A new format would probably be okay, but make the icon for the application green so it looks like an excel file. It can open excel files right? 2. A lot of

1. A new format would probably be okay, but make the icon for the application green so it looks like an excel file. It can open excel files right? 2. A lot of our sheets use VB/macros so a scripting language is pretty useful. Not sure about the other stuff. 3. No idea, around the price for an office 365 seat?