i have tried that also but not getting the desired result,in the format
option there is no option for protect & hide a cell

"Gary''s Student" wrote:

Use Data Validation.
--
Gary''s Student - gsnu200780


"Ridhi" wrote:

i WANTED TO LOCK & UNLOCK A CELL IN EXCEL DEPENDING UPON A VALUE THAT IS
RETURNED FRO A CELL, USING FORMULAS BUT CANNOT DO IT.PLEASE HELP