To organize your company data very simple using Excel, you can write every data on the excel database, and the if you need other report that using this data you just make link data on the excel data that already created. You don't need to create data similarly this is wasting your time to spent the similar data.
For this you need to understand the using of excel in organize other wise you can't make interconection data. If you need more understand about excel you can follow my excel tutorial.
You do not need to follow all tutorial because this tutorial is arrange from the beginning till the end, you just follow what kind of tutorial you need and select the sequence in the Grahito Channel Dasboard.
Here is the video of Excel Tutorial Complete.