Note The function, method, object, or property described in this topic is disabled if the Microsoft Jet Expression Service is running in sandbox mode, which prevents the evaluation of potentially unsafe expressions. For more information on sandbox mode, search for "sandbox mode" in Help.
Returns a Long representing the size, in bytes, of a file opened using the Open statement.
Syntax
LOF(filenumber)
The required filenumber argument is an Integer containing a valid file number.
Note Use the FileLen function to obtain the length of a file that is not open.