The following table lists all the Excel functions that are not supported by the optimiser.
| ABSREF | DBCS | GET.CELL | LOGEST | RSQ |
| APP.TITLE | DDB | GET.DOCUMENT | LOGINV | SAVE.TOOLBAR |
| ARGUMENT | ENABLE.TOOL | GET.WINDOW | LOGNORMDIST | SEARCHB |
| ASC | END.IF | GET.WORKBOOK | MIDB | SKEW |
| BETADIST | ERROR | GET.WORKSPACE | N | SLN |
| BETAINV | EVALUATE | GETPIVOTDATA | NEGBINOMDIST | STEP |
| BINOMDIST | EXEC | GOTO | NUMBERSTRING | STEYX |
| CALL | EXPONDIST | GROWTH | PERMUT | SYD |
| CELL | FDIST | HARMEAN | PHONETIC | TINV |
| CHIDIST | FINDB | HYPGEOMDIST | PRESS.TOOL | TRIMMEAN |
| CHIINV | FINV | INFO | PROB | TTEST |
| CHITEST | FISHER | ISPMT | QUARTILE | TYPE |
| CONFIDENCE | FISHERINV | KURT | REGISTER.ID | USDOLLAR |
| CRITBINOM | FTEST | LAST.ERROR | RELREF | VDB |
| DATEDIF | GAMMADIST | LEFTB | REPLACEB | WEIBULL |
| DATESTRING | GAMMAINV | LENB | RETURN | WINDOW.TITLE |
| DB | GAMMALN | LINEST | RIGHTB | ZTEST |