| Name | Description | Type | Package | Framework |
| AreaReference | Class | org.apache.poi.hssf.util | Apache POI | |
| CellRangeAddress | See OOO documentation: excelfileformat. | Class | org.apache.poi.hssf.util | Apache POI |
| CellRangeAddress8Bit | See OOO documentation: excelfileformat. | Class | org.apache.poi.hssf.util | Apache POI |
| CellRangeAddressList | in OpenOffice. | Class | org.apache.poi.hssf.util | Apache POI |
| CellReference | Common conversion functions between Excel style A1, C27 style cell references, and POI usermodel style row=0, column=0 | Class | org.apache.poi.hssf.util | Apache POI |
| HSSFCellUtil | Various utility functions that make working with a cells and rows easier. | Class | org.apache.poi.hssf.util | Apache POI |
| HSSFColor | Intends to provide support for the very evil index to triplet issue and will likely replace the color constants interface for HSSF 2. | Class | org.apache.poi.hssf.util | Apache POI |
| HSSFColor .AQUA | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .AUTOMATIC | Special Default/Normal/Automatic color. | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI |
| HSSFColor .BLACK | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .BLUE_GREY | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .BRIGHT_GREEN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .BROWN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .CORAL | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .CORNFLOWER_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .DARK_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .DARK_GREEN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .DARK_RED | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .DARK_TEAL | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .DARK_YELLOW | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .GOLD | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .GREEN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .GREY_25_PERCENT | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .GREY_40_PERCENT | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .GREY_50_PERCENT | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .GREY_80_PERCENT | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .INDIGO | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LAVENDER | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LEMON_CHIFFON | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIGHT_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIGHT_CORNFLOWER_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIGHT_GREEN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIGHT_ORANGE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIGHT_TURQUOISE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIGHT_YELLOW | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .LIME | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .MAROON | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .OLIVE_GREEN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .ORANGE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .ORCHID | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .PALE_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .PINK | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .PLUM | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .RED | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .ROSE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .ROYAL_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .SEA_GREEN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .SKY_BLUE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .TAN | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .TEAL | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .TURQUOISE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .VIOLET | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .WHITE | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFColor .YELLOW | Class | org.apache.poi.hssf.util.HSSFColor | Apache POI | |
| HSSFRegionUtil | Various utility functions that make working with a region of cells easier. | Class | org.apache.poi.hssf.util | Apache POI |
| LazilyConcatenatedByteArray | Utility for delaying the concatenation of multiple byte arrays. | Class | org.apache.poi.hssf.util | Apache POI |
| PaneInformation | Holds information regarding a split plane or freeze plane for a sheet. | Class | org.apache.poi.hssf.util | Apache POI |
| Region | Represents a from/to row/col square. | Class | org.apache.poi.hssf.util | Apache POI |
| RKUtil | Utility class for helping convert RK numbers. | Class | org.apache.poi.hssf.util | Apache POI |