Specifies the default file extension added to the input file name when no extension is specified. 
	 
 
  
 
	  
		Note: Supported by all 
mfims utilities. 
		
 
 
	  
 
	 Syntax:
 
		 
		>>-----DEFAULTEXT--(ext)------><
 
	 Parameters
 
		 
		 
		   
			 -  
				ext 
			 
- An input file name extension. 
			 
Comments:
 
		 
		The value specified for 
		  ext replaces the default extension. For example, when you specify DEFAULTEXT(PSB), an input file name of 
		  MYFILE results in a name of 
		  MYFILE.PSB.