Microsoft Excel videos | Data validation

Posted by Andrew Gould on 28 February 2012

Learn how to use data validation in Microsoft Excel to control the values that can be entered into cells. Create custom error messages and fancy drop down lists with a few clicks of the mouse.

You can increase the size of the video:

Full screen mode for YouTube

You can view the video in full screen mode as shown on the left, using the icon at the bottom right of the frame.

You can also increase the quality of the video:

Changing resolution

You can improve the resolution of the video using another icon at the bottom right of the frame. This will slow down the connection speed, but increase the display and sound quality. This icon only becomes visible when you start playing the video.

Finally, if nothing happens when you play the video, check that you're not using IE in compatibility view.

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