FreeFile (function)

Syntax FreeFile[()]
Description Returns an Integer containing the next available file number.
Comments The number returned is suitable for use in the Open statement and will always be between 1 and 255 inclusive.
Example This example assigns A to the next free file number and displays it in a dialog box. 
Sub Main()
 a = FreeFile
 MsgBox "The next free file number is: " & a
End Sub
See Also FileAttr (function); Open (statement).