One of the steps to get the coffee to your cup, but how important is this step? In order to answer this question it is necessary to have two things in mind:
1- Try to grind the coffee right before being prepare.
2- What method of preparation you will use.
When grinding your coffee, you loose big part of the aroma and volatile, this happens in the first few minutes, this is why is recommended to grind it right before preparing it.
The size of the grind also varies, depending on which method you choose to prepare it, If you end up choosing the method that is not recommended for the preparation you are using, the final product will change drastically, you can't do a fine grind for a french press, the result is not going to be the best, find more information at canocoffee.com