ExcelSender is an easy to use excel mail merge tool, sending emails based on rows of MS Excel file to different contacts with different contents. ExcelSender is mainly used for group email sending, it is different from the usual group email sending because it sends emails to a group of people but everybody of the group will receive different email with different content. ExcelSender is based on Microsoft Excel format and sends different emails with different contents to different people at one time. For example, when a boss of a company wants to send the salaries or the check on work attendances to his employers, he has to send hundreds or thousands of different emails with different contents to different employers for hundreds or thousands of times by usual email sending function. This method is not only confused but also apt to make errors. If the boss uses ExcelSender, he can do so at one time to save time and to avoid errors. Therefore, ExcelSender is useful for company, industry, office worker, or anyone who needs to send different emails with different contents to different people at one time.