How to split cells, Rows and Columns in Microsoft Word 2013, 2016, 2010, 2007, 365

How to Split cells, rows and columns in Microsoft Word 2013, 2016, 2010, 2007, 365.
This tutorial of MS Word show how how to divide cell into more more cells, more rows and more columns.
Sometimes you need to split cells and here it is.

[billrichmond]

Holy cow. I feel like an idiot. Thank you. Short and sweet. Wish I found your explanation first!

[johnohart]

When I select eight cells and try it, requesting 8 columns and 2 rows, I get 16 columns and still only one row. So what is happening?

[pedrokoury]

How on Earth do I delete a split cell?