MS Excel
If you need to remove only the formatting done in a range (numbers and formula typed there should not be removed), you must

Click on Remove Formatting tool on Standard Toolbar
From Edit menu choose Clear and then Formats
Double click the Format Painter and then press Esc key in keyboard
From Edit menu choose Delete

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MS Excel
You can use the format painter multiple times before you turn it off by

Double clicking the format painter button
Pressing the Ctrl key and clicking the format painter button
You can use the format painter button on ly one time when you click it
Pressing the Alt key and clicking the format painter button

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MS Excel
How do you insert a row?

Right-click the row heading where you want to insert the new row and select Insert from the shortcut menu
Select the row heading where you want to insert the new row and click the Insert Row button on the standard toolbar
All of the listed here
Select the row heading where you want to insert the new row and select Edit >Row from the menu

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