This table summarizes how the row and column settings are handled when SpreadJS imports data from an Excel file. These properties are members of the GC.Spread.Sheets.Worksheet class unless otherwise noted.
| Excel Setting | SpreadJS Setting | Remarks |
| Hidden columns or rows | Sheet.setRowVisible or Sheet.setColumnVisible | SpreadJS imports this setting from Excel. |
| Row height | Sheet.setRowHeight | SpreadJS imports this setting from Excel. |
| Column width | Sheet.setColumnWidth | SpreadJS imports this setting from Excel. |
| Row Count or Column Count | Sheet.setRowCount or Sheet.setColumnCount | When importing, rowCount and columnCount are the last non-null row and column. If there is no data in the sheet, the row and column are the activeCell.row and column. |
| Starting column and row | Not supported at this time. |