The slide master provides a consistent way to format slides in a PowerPoint presentation. It also makes moving slides between presentations easier, as you do not need to reformat the slide when it is moved.

If you need to extract a section of video (or audio) you can use iTunes to create a file with just that section. The material being prepared needs to be editable (like video you film) rather than protected (like video you may buy).

If you need to extract a section of video (or audio) you can use iTunes to create a file with just that section. The material being prepared needs to be editable (like video you film) rather than protected (like video you may buy).

A demonstration of drawing using Open Office.

How to set custom animation in PowerPoint to trigger on a click, or to appear automatically with the previous animation.

How to set custom animation in PowerPoint to trigger on a click, or to appear automatically with the previous animation.

How to combine Word documents so that the formatting matches.

How to combine Word documents so that the formatting matches.

Some key details on using functions in spreadsheet programs such as Microsoft Excel.

How to use the pen tool in drawing programs.