This work was born from the need found by the author to solve various problems repeated over time, concerning the data inserted in Excel sheets in the shortest possible time. The author, being a programmer and expert in Pascal, Cobol and Javascript, searched for the most suitable solution and found it in the Excel VBA. This document is intended to introduce users to programming in general and to programming in Visual Basic for Applications of Excel in particular. VBA is simple and can be used on existing Excel files, quickly processing a large amount of data. The only tool we need is Excel.<br />The book may not contain everything you should know about programming in VBA, but it does point the finger at the key points to create some programs which are explained in detail in the various chapters. The content is divided into two parts, one which explains programming in general and the second which explains programming in VBA with concrete examples of programs.