| Name | Level | Visibility | Read-Only | Typing | Associated Type | Description | Initial Value |
| EXCEL2007 | Instance Attribute | Private | No | Type | XSTRING | Excel 2007 data | |
| ZIP | Instance Attribute | Private | No | Type Ref To | CL_ABAP_ZIP | Zip Utility | |
| SHARED_STRINGS | Instance Attribute | Private | No | Type | STRINGTAB | Table with Strings | |
| STYLES | Instance Attribute | Private | No | Type | T_STYLE_REFS |