In Microsoft Word 2019, you can add page numbers to your document by using the "Insert" tab. The "Insert" tab contains various options, including the "Page Number" option, which allows you to insert page numbers at different locations in your document.

1. The Animation tab of Microsoft PowerPoint 2010 contains a group of controls-

- Preview

- Animation

- Time

The elements of a chart in MS Excel 2010 include the following:-

1. Title: The title of the chart, which describes the topic or purpose of the chart.

2. Axis: Lines used to measure data on a chart.

3. Data Series: A group of data points on a chart.

4. Chart Area: The outer area of the chart, including the title, axes, and data series.

5. Legend: Labels used to identify data series on a chart.

6. Gridlines: Lines used to measure data on a chart.

7. Data Labels: Labels used to display the values of data points on a chart.

8. Data Table: A table used to display data from data series below the chart.

Header and Footer options are available in the Insert tab of MS Word 2010. On the Insert tab, the Header and Footer options are found in the Headers and Footer group.

1. The shortcut key to open File Explorer or File Manager is Ctrl + O.

2. In Microsoft Excel and all other spreadsheet programs, pressing Ctrl+O brings up the Open window, allowing you to load an existing spreadsheet stored on your computer.

3. In Microsoft Word and other word processors, pressing Ctrl+O brings up the Open window, allowing you to load an existing document stored on your computer.