For the same reasons, values formatted with the Accounting number format are also right-aligned by default, though the currency symbol aligns to the left of the cell.

The accounting format in Microsoft Excel 2010 is very similar to the currency format---both display the currency symbol next to every number. But the accounting format has a few differences that ...

The “Format Cells” dialogue box allows advanced customization, including decimal precision, currency symbols, and custom number formats for tailored data presentation.