Perhaps 2 possibilities:
Shared workbook*, or the sheet is protected**

*As listed in Excel help for: Limitations of shared workbooks
** Try unprotecting via: Tools Protection Unprotect sheet
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Rgds
Max
xl 97
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GMT+8, 1° 22' N 103° 45' E
xdemechanik <atyahoo<dotcom
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"viswanathan" wrote in message
...
pls find me an answer for the question.
Merge cells tool is not getting highlighted