They would like to see the data in top performance indicators to be accurate. In addition, top level management usually does not want to delve into details of a report. Inaccurate data can lead to poor decision making. Using Excel for restaurants means the data you input has to be clear and concise. For that reason, Excel is a necessary resource used by all levels of management. Restaurants have a vast amount of data that needs to be tracked in different time intervals. A spreadsheet is one of the most popular tools in managing a restaurant.