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Oct Function

This page is specific to the Visual Basic for Applications (VBA) Language Reference for Office 2010.

Returns a Variant (String) representing the octal value of a number.



The required number argument is any valid numeric expression or string expression.


If number is not already a whole number, it is rounded to the nearest whole number before being evaluated.

If number is

Oct returns




Zero (0)

Any other number

Up to 11 octal characters

You can represent octal numbers directly by preceding numbers in the proper range with &O . For example, . For example, &O10 is the octal notation for decimal 8.

This example uses the Oct function to return the octal value of a number.

Dim MyOct
MyOct = Oct(4)     ' Returns 4.
MyOct = Oct(8)    ' Returns 10.
MyOct = Oct(459)    ' Returns 713.