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SWITCH compares expression with value1 to valuen and returns the result belonging to the first value that equals expression. If there is no match and default_result is given, that will be returned.
SWITCH(expression; value1; result1[; value2; result2][; ... ; [value127; result127][; default_result]])
If you choose not to specify a default result, 127 value / result pairs may be entered as parameters. If you choose to include a default result at the end of the list of parameters, then only 126 value / result pairs may be entered.
expression is a text, numeric, logical or date input or reference to a cell.
value1, value2, ... is any value or reference to a cell. Each value must have a result given.
result1, result2, ... is any value or reference to a cell.
default_result: any value or reference to a cell that is returned when there is no match.
If no value equals expression and no default result is given, a #N/A error is returned.
=SWITCH(MONTH(A3),1,"January",2,"February",3,"March","No match") returns "January" when A3 contains a date in January, "February" when A3 contains a date in February , etc...
COM.MICROSOFT.SWITCH