The Screenshot Flow app allows you to create diagrams really fast It’s really simple, actually. This app auto-generates flow diagrams from screenshots, which can be quite useful for some people.

Having a clear understanding of where your data is being consumed is a critical first step toward being able to secure and ultimately protect it. Using data flow diagrams, it is possible to know the ...

Checking and rechecking are also necessary, as an incorrect diagram can create serious errors. Examples of errors include forgetting to include a data flow or pointing an arrow in the wrong direction.

If you are not familiar with Visio, it's used for creating diagrams such as flow charts and network diagrams. What I didn't realize is that you can actually create Visio diagrams from within Excel.