Well - You can check your autoexec.sas (or other startup files) and see if there is an: options sasautos=...; Statement there - that is the first place SAS looks for them.   - Then your programs could include further ones or define them - so look at your startup files, and any other programs you run.   - Finally, there is the proc scaproc procedure, which does some code analyzing, you start it before your run, then after to get some results - however this might not capture everything if they are set in start programs.   i suppose the question at the end of the day is why you don't know where the macros are, I mean to be able to use macros you should know something about them.  I know most don't bother, but properly developed code should have user guides, testing and such like that you should be aware of before using them, much like any software development. ... View more