This lesson explains how to use Autosum. Autosum is a powerful feature that can save you time if you need to add up cells or columns of data. It is often faster than creating a formula by hand, especially when you have a large amount of data to add up. In this lesson you'll learn how to use Autosum, and some of its limitations.

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The WORKDAY.INTL() function extends the WORKDAY() function so that you can specify which days are weekend days when adding days to dates. This lesson shows you how to use it.

This lesson shows you how to calculate a running total between two dates in a column of data. An example might be calculating the total sales for the last 30 days up to today. Each row in the spreadsheet will calculate a new total based on the date in that row, counting back a specified number of days.

If you want to combine text with the results of a formula in a cell, you can use **concatenation**. Suppose you have calculated the total of a range of cells using a formula in cell D2. Now, you want to have cell A2 display the text "Today's sales are $12,000", where $12,000 is the value calculated in D2. As the value in D2 changes, you want the value in A2 to update automatically.

In this lesson, we cover how to print an Excel spreadsheet with page numbers on each page. Excel has changed a lot over the years, but one thing that hasn't changed is the way that you insert page numbers into a spreadsheet. Unfortunately, Excel 2010 does not make it easy to find the options for doing this. This lesson covers the basics of inserting page numbers as well as providing an overview of some more advanced options.

Tables in Microsoft Word are great, but the default settings for tables are sometimes not what you want. In particular, Word will break rows with a lot of text across two pages if it needs to. If you'd rather have Word break tables up between pages so that each row is kept intact and not split across two pages, this lesson will show you how to do it. This lesson covers Microsoft Word 2007, 2010 and 2013 for Windows, and Microsoft Word 2011 for Mac.

INDEX is an Excel function that allows you to find a value inside a list or table of data in Excel. If you know (or can calculate) the row and column position of the value you want, INDEX is the function to retrieve that value for you. This lesson shows you how to use the INDEX function and includes some simple examples to help illustrate how you can use it.

This lesson shows you a formula to convert a month name into its corresponding number (i.e. Jan = 1, Feb =2, etc).

Autofilter is one of the most powerful features of Excel if you need to work with data in tabulated (table) format. It lets you treat a range of cells as a table and then filter out certain rows based on different criteria. It is very powerful if you need to "mine" data in a list and find out specific information about the data in that list. This tutorial covers how to set up a data table in Excel to use with Autofilter, and also shows you how to enable Autofilter and use it for basic filtering. This lesson is applicable for all versions of Excel (including Excel for Mac) although the visual presentation of the options may change from version to version.

This lesson shows you now to extract text from a cell in Excel. This is useful when you have a cell containing combining numbers and text, such as a part number, or several text values separated by commas. It introduces the RIGHT() and LEFT() functions, which are essential text manipulation functions in Excel.

This lesson introduces the LEN() function, which allows you to calculate the number of characters in a cell. This formula is useful on its own, or can be combined with other text functions such as RIGHT(), LEFT(), MID() and FIND().

When you create a large table in Microsoft Word that spans multiple pages, you'll find on the second and subsequent pages that the table headings don't repeat. In this lesson you'll learn how to configure one or more rows of your table to repeat at the top of the page for every page on which your table appears. This lesson applies to tables in Microsoft Word 2010 for Windows and Word 2011 for Mac (as well as Word 2007 for Windows).

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