In Excel adapter, "Read from Named Range" process is available. This excel adapter can perform reading process when the header part and detailed part on the Excel is specified by adding name for data reading range. Therefore, reading process is possible even if there is different data format such as header and detail.
*For details on the range specification of the Excel sheet, check Excel Help.
If you want to read the data defined in the distinct format in Excel sheet then use "Read from Named Range" adapter.