# Package org.apache.poi.xssf.usermodel.extensions

- Class Summary
  Class | Description
  --- | ---
  XSSFCellAlignment | Cell settings available in the Format/Alignment tab
  XSSFCellBorder | This element contains border formatting information, specifying border definition formats (left, right, top, bottom, diagonal) for cells in the workbook.
  XSSFCellFill | This element specifies fill formatting.
  XSSFHeaderFooter | Parent class of all XSSF headers and footers.

- Enum Summary
  Enum | Description
  --- | ---
  XSSFCellBorder.BorderSide | The enumeration value indicating the side being used for a cell border.

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