| Offset | Name | Size | Contents |
| 4 | lbPlyPos | 4 | Stream position of the start of the BOF record for the sheet |
| 8 | grbit | 2 | Option flags |
| 10 | cch | 2 | Length of the sheet name |
| 12 | rgch | var | Sheet name |
| Offset | Name | Size | Contents |
| 4 | lbPlyPos | 4 | Stream position of the start of the BOF record for the sheet |
| 8 | grbit | 2 | Option flags |
| 10 | cch | 1 | Length of the sheet name |
| 11 | rgch | var | Sheet name |
| Offset | Bits | Mask | Name | Contents |
| 0 | 7 – 0 | 0Fh | dt | Sheet type: 00h = worksheet or dialog sheet 01h = Microsoft Excel 4.0 macro sheet 02h = chart 06h = Visual Basic module |
| 1 | 1–0 | 03h | hsState | Hidden state: 00h = visible 01h = hidden 02h = very hidden (see text) |
| 7 – 2 | FCh | (Reserved) | ||