1. The review functionality goes to a very granular monitoring of changes in a spreadsheet. It is indispensable, especially when many people have access to the

1. The review functionality goes to a very granular monitoring of changes in a spreadsheet. It is indispensable, especially when many people have access to the file. It can be circumvented, of course, but we are talking about unintentional errors. 2. In Excel you get very evident visual indicators when a formula is dissimilar to the formulas around it. Duplication is necessary at the most ad-hoc level. When you use Tables, things are more safe. The major issues with Excel are not of functionality but of user training on the functionality available.