<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
THIS SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM KANA
COMMUNICATIONS, INC. 10K/A AND IS QUALIFIED IN ITS ENTIRETY BY REFERENCE TO SUCH
FINANCIAL STATEMENTS.
</LEGEND>
<MULTIPLIER> 1,000
<S> <C> <C>
<PERIOD-TYPE> YEAR YEAR
<FISCAL-YEAR-END> DEC-31-1999 DEC-31-1998
<PERIOD-START> JAN-01-1999 JAN-01-1998
<PERIOD-END> DEC-31-1999 DEC-01-1998
<CASH> 18,695 13,875
<SECURITIES> 34,522 160
<RECEIVABLES> 5,021 957
<ALLOWANCES> 366 110
<INVENTORY> 0 0
<CURRENT-ASSETS> 59,908 15,032
<PP&E> 8,360 1,493
<DEPRECIATION> 1,531 328
<TOTAL-ASSETS> 70,229 16,876
<CURRENT-LIABILITIES> 21,317 3,199
<BONDS> 0 0
0 0
0 13
<COMMON> 61 19
<OTHER-SE> 48,500 12,951
<TOTAL-LIABILITY-AND-EQUITY> 70,229 16,876
<SALES> 10,536 2,014
<TOTAL-REVENUES> 14,064 2,347
<CGS> 271 54
<TOTAL-COSTS> 14,455 125,182
<OTHER-EXPENSES> 2,163 97
<LOSS-PROVISION> 0 0
<INTEREST-EXPENSE> 2,079 88
<INCOME-PRETAX> 0 0
<INCOME-TAX> 0 0
<INCOME-CONTINUING> 0 0
<DISCONTINUED> 0 0
<EXTRAORDINARY> 0 0
<CHANGES> 0 0
<NET-INCOME> (118,743) (12,601)
<EPS-BASIC> (4.61) (2.01)
<EPS-DILUTED> (4.61) (2.01)
</TABLE>