Blue Excel is a powerful Excel Addin. It provides tools to simplify your daily work. It can compare datas in column A and Column B and show the difference in column C. It can check data in column B, indicate it exists in column A or not. It can update data in one sheet according another sheet, suppose column A is the index used for udpating. It can find an item in file1 on file2. This can be used to compare two files. It can get current week value by just a click. Blue Excel provides tools to create Gantt Chart bar for schedule tracking. Windows project is a good project management tool. Sometime it's not convenient due to complicate to use and hard to share with others. Excel is often used for making a simple plan and share between team. Almost every one has Excel installed on his computer. And most users are farmilar with Excel. So it a good choice to use excel to build your plan. Blue Excel can generate schedule template based on week. Then you can create tasks and generate Gantt Chart for each task. You can change the start week,end week for each task and then regenerate the Gantt Chart. You can create an overall bar to show different stages for the progam and mark the key milestone easly. Other Usage: Merge several cells content in one cell. Find an item between different workbook. Make it easy to check the difference between workbooks. Quick switch between workbooks. Provides button to set color for select area. This can improve efficiency a lot. Quick filter for a column. Select a column, press F10 to input the filter string and filter immediately. This make frequently filter easy.