Marketing activity involves many decision situations. They may have a lower or higher complexity, but all involve organizing, processing, extracting and analyzing of a large volume of information. By using specialized software that provides tools for analysis, company managers can quickly obtain significant information about market. They can also get overview, synthesis of certain aspects of company activities. In the data analysis activity traditional methods and software tools can be used, such as: dispersion analysis software, multi-factor techniques, regression analysis software and data-series analysis software, useful in data-series analysis in their trend format, seasonality and of the other dynamic series components. But if a more complex economic analysis is demanded, where the information is needed to be presented in the form of diagrams, is necessary to use specialized software tools for analysis, such as those offered by spreadsheet applications. Of those who know and use spreadsheet applications for drawing up the reports necessary for carrying out the work, many use the Microsoft Excel. Using Microsoft Excel software, data can be organized and processed quickly, accurately and thoroughly. Also, the facilities for the extraction, aggregation and analysis bring real value to a business activity. From the same volume of processed data a higher volume of complex and diversified information can be obtained, thus offering a more complete picture on the analized decisional situation in its entire. For this reason we conducted a study in which we sought to obtain information on how these applications are used in the marketing activities of companies. Microsoft Excel software is used a lot in marketing activities of companies in Bihor County, but data analysis tools it provides are used too little. Collected and stored data are not used to their full value. In this way, companies do not have information that could help to better understand customer behavior and market products.
