| Name | Package | Description |
| BooleanCell | jxl | This type represents the Microsoft concept of a Boolean. |
| BooleanFormulaCell | jxl | A mixin interface for numerical formulas, which combines the interfaces
for formulas and for numbers |
| ByteData | jxl.biff | Interface which provides a method for transferring chunks of binary
data from one Excel file (read in) to another (written out) |
| Cell | jxl | Represents an individual Cell within a Sheet. |
| CellFormat | jxl | Interface for cell formats - used for typing information |
| CellFormat | jxl.format | Interface for cell formats |
| DateCell | jxl | A date cell |
| DateFormulaCell | jxl | A mixin interface for date formulas, which combines the interfaces
for formulas and for dates |
| DisplayFormat | jxl.biff | The interface implemented by the various number and date format styles. |
| DrawingGroupObject | jxl.biff.drawing | Interface for the various object types that can be added to a drawing
group |
| ErrorCell | jxl | This type represents a cell which contains an error. |
| ErrorFormulaCell | jxl | A mixin interface for numerical formulas, which combines the interfaces
for formulas and for numbers |
| ExternalSheet | jxl.biff.formula | Interface which exposes the methods needed by formulas
to access external sheet records |
| Font | jxl.format | Interface which exposes the user font display information to the user |
| Format | jxl.format | Exposes the cell formatting information |
| Formula | jxl.read.biff | Interface which is used for copying formulas from a read only
to a writable spreadsheet |
| FormulaCell | jxl | Interface for formulas which allow clients to read the Excel formula |
| FormulaData | jxl.biff | Interface which is used for copying formulas from a read only
to a writable spreadsheet |
| Hyperlink | jxl | Hyperlink information. |
| Image | jxl | Accessor functions for an image |
| LabelCell | jxl | A label cell |
| NumberCell | jxl | A cell which contains a numerical value |
| NumberFormulaCell | jxl | A mixin interface for numerical formulas, which combines the interfaces
for formulas and for numbers |
| Range | jxl | Represents a 3-D range of cells in a workbook. |
| Sheet | jxl | Represents a sheet within a workbook. |
| StringFormulaCell | jxl | A mixin interface for numerical formulas, which combines the interfaces
for formulas and for strings |
| WorkbookMethods | jxl.biff | An interface containing some common workbook methods. |
| WritableCell | jxl.write | The interface for all writable cells |
| WritableSheet | jxl.write | Interface for a worksheet that may be modified. |