description Learn more about: @FileName title @FileName ms.date 12/17/2019 f1_keywords @FileName helpviewer_keywords @FileName symbol ms.assetid a713bf70-2abd-4953-b187-7875ded58e52 @FileName The base name of the main file being assembled (text macro). Syntax @FileName See also Symbols reference MASM BNF Grammar