MS Excel
Long text can be broken down into many lines within a cell. You can do this through

Text Wrapping in Format > Cells
Wrap Text in Format > Cells
Justify in Edit > Cells
All of above

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MS Excel
Which tool you will use to join some cells and place the content at the middle of joined cell?

From Format Cells dialog box choose Merge and Center check box
From Format Cells dialog box select the Centered alignment
Click on Merge and Center tool on formatting toolbar
From Format Cells dialog box click on Merge Cells check box

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