From time to time, you need to count days of week in some date range or between two dates (see How to count days of week between two dates). Excel proposes different formulas to work with data. It is easy to create the formula you need for this task:

When calculating the difference between two dates, you may want to exclude weekends and holidays. You can see how to calculate the number of Working Days between two dates for the usual, standard working week where weekends are Saturdays and Sundays.

If you use formulas in Excel, you often can see messages such as #VALUE! or #DIV/0!. Most of the time, this means you need to check the source of the error and fix it, but sometimes a formula error simply means that the data used by the formula is not yet available.

When you work with some Excel elements such as tables, charts, you spend a lot of time positioning them and formatting them. Here will find the feature that Excel proposes to help you create a perfect presentation of your data.

Excel has a lot of different, useful features to help you to present data. There are a lot of different charts you can create (see charts). One of the features for presenting your data in an interactive chart with a drop-down list.

Excel has a lot of different, useful features to help you to present data. There are a lot of different charts you can create (see charts). One of the features for presenting your data in an interactive chart with checkboxes.

To create interactive charts, you need to add some of the controls in Microsoft Excel. This tip is about using Option Buttons that can be easily added and customized.

There are a lot of different features in Microsoft Excel that can be useful for creating a presentation of your data. One of these features is interactive controls that can be added to your Excel spreadsheet to create dynamic charts. This tip is about using Option Buttons that can be easily added and customized.

Sometimes you need to select a large data range. This tip shows how to select rows, columns, rectangular, or free form ranges in a few clicks.

By default, Excel automatically creates hyperlinks when you type or insert URLs or e-mails. You can Turn off the automatic creation of hyperlinks in Excel, or delete all hyperlinks later.