File list (Check if you may need any files):
Delphi6
.......\xf40_unr_d6.bpl
.......\xf40_unr_d6.dcp
.......\XLSExportComp.dcr
.......\BiffStream.dcu
.......\CFile.dcu
.......\Crc32.dcu
.......\HList.dcu
.......\Lists.dcu
.......\PtgParser.dcu
.......\RPNParser.dcu
.......\Streams.dcu
.......\Unicode.dcu
.......\VDataTable.dcu
.......\XLSBase.dcu
.......\XLSCellComment.dcu
.......\XLSCellValidation.dcu
.......\XLSError.dcu
.......\XLSExportComp.dcu
.......\XLSFile.dcu
.......\XLSFont.dcu
.......\XLSFormat.dcu
.......\XLSFormatStr.dcu
.......\XLSFormatXF.dcu
.......\XLSFormula.dcu
.......\XLSHyperlink.dcu
.......\XLSLinkTable.dcu
.......\XLSMsoDraw.dcu
.......\XLSName.dcu
.......\XLSProtect.dcu
.......\XLSReader.dcu
.......\XLSRects.dcu
.......\XLSRichString.dcu
.......\XLSStrUtil.dcu
.......\XLSWorkbook.dcu
.......\XLSWriter.dcu
.......\XLSWriterHTML.dcu
.......\XLSWriterTXT.dcu
Delphi7
.......\xf40_unr_d7.bpl
.......\xf40_unr_d7.dcp
.......\XLSExportComp.dcr
.......\BiffStream.dcu
.......\CFile.dcu
.......\crc32.dcu
.......\HList.dcu
.......\Lists.dcu
.......\PtgParser.dcu
.......\RPNParser.dcu
.......\Streams.dcu
.......\Unicode.dcu
.......\VDataTable.dcu
.......\XLSBase.dcu
.......\XLSCellComment.dcu
.......\XLSCellValidation.dcu
.......\XLSError.dcu
.......\XLSExportComp.dcu
.......\XLSFile.dcu
.......\XLSFont.dcu
.......\XLSFormat.dcu
.......\XLSFormatStr.dcu
.......\XLSFormatXF.dcu
.......\XLSFormula.dcu
.......\XLSHyperlink.dcu
.......\XLSLinkTable.dcu
.......\XLSMsoDraw.dcu
.......\XLSName.dcu
.......\XLSProtect.dcu
.......\XLSReader.dcu
.......\XLSRects.dcu
.......\XLSRichString.dcu
.......\XLSStrUtil.dcu
.......\XLSWorkbook.dcu
.......\XLSWriter.dcu
.......\XLSWriterHTML.dcu
.......\XLSWriterTXT.dcu
Delphi2006
..........\xf40_unr_d2006.bpl
..........\xf40_unr_d2006.dcp
..........\XLSExportComp.dcr
..........\BiffStream.dcu
..........\CFile.dcu
..........\crc32.dcu
..........\HList.dcu
..........\Lists.dcu
..........\PtgParser.dcu
..........\RPNParser.dcu
..........\Streams.dcu
..........\Unicode.dcu
..........\VDataTable.dcu
..........\XLSBase.dcu
..........\XLSCellComment.dcu
..........\XLSCellValidation.dcu
..........\XLSError.dcu
..........\XLSExportComp.dcu
..........\XLSFile.dcu
..........\XLSFont.dcu
..........\XLSFormat.dcu
..........\XLSFormatStr.dcu
..........\XLSFormatXF.dcu