Since that is not the answer the question seems very peculiar.
A TextBox then comes to mind that can be put anywhere,
Insert, Picture, autoshapes, then on the
drawing toolbar, text box (shows text A with lines),
and another possibility:
merging cells A1

3 also comes to mind where the cells
would all become one cell.
Select A1

3, Format, cells, alignment, merge cells
to unmerge select A1, format, cells, alignment, uncheck merge cells
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