If you use Microsoft Excel to organize data (say, a timeline or a list of documents being produced), you may have run into the problem of having more text than will fit into a normal cell. You need to either wrap text like a paragraph or insert line breaks in the middle of the Excel cell, because otherwise the text just breaks out of the borders of the cell and keeps on going:
And if that's not annoying enough, if you have to type something into the cell to the right, then you've just cut off the last part of that other cell:
What you want to be able to do is either (a) have the information in the first cell wrap text in Excel like a paragraph so it appears on multiple lines within that cell or (b) insert a line break like you would in a word processor.
Here's how you do each: