| b10 | b16 | field | type | size | bitfield | comments |
| 0 | 0 | ibkl | short | index to BKL entry in plcfbkl that describes the ending position of this bookmark in the CP stream. | ||
| 2 | 2 | itcFirst | uns short | :7 | 007F | when bkf.fCol is 1, this is the index to the first column of a table column bookmark. |
| fPub | uns short | :1 | 0080 | when 1, this indicates that this bookmark is marking the range of a Macintosh Publisher section. | ||
| itcLim | uns short | :7 | 7F00 | when bkf.fCol is 1, this is the index to limit column of a table column bookmark. | ||
| fCol | uns short | :1 | 8000 | when 1, this bookmark marks a range of columns in a table specified by [bkf.itcFirst, bkf.itcLim). |
cbBKF (count of bytes of BKF) is 4.