| Class | Description | 
|---|---|
| ExcelField | Describes a single field in an excel file
 TODO: allow the width of a column to be set --> data.sheet.setColumnView(column, width); TODO: allow the default font
 to be set TODO: allow an aggregation formula on one of the columns --> SUM(A2:A151) | 
| ExcelFontMap | |
| ExcelOutput | Converts input rows to excel cells and then writes this information to one or more files. | 
| ExcelOutputData | |
| ExcelOutputMeta | Metadata of the Excel Output step. | 
| ExcelOutputMetaInjection | Injection support for the Excel Writer step. |