MS Excel
Right clicking something in Excel:

Selects the object
Deletes the object
Nothing the right mouse button is there for left handed people
Opens a shortcut menu listing everything you can do to the object

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MS Excel
To center worksheet titles across a range of cells, you must

Select the cells containing the title text plus the range over which the title text is to be enfettered
Widen the columns
Select the cells containing the title text plus the range over which the title text is to be centered
Format the cells with the comma style

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