I have the system accessibility option turned on that lets me use cmd+scroll wheel to zoom the screen. I use it many times a day. I'm not ready to change my screen resolution, so this helps when I need it.
It just works more like I expect it to, coming from a Microsoft Word background.
They're probably in a group that is only enabled when specific applications are running, or something like that.
Try this macro I wrote a long time ago:
I still use it all the time. Let me know if it doesn't work for you.
Also, see this one:
If you use a lot of "Execute Macro" or "Execute Subroutine" actions, this helps find where they are.
And finally, I use this one all the time to let me jump to the handful of macros I might be working on at any time:
If it sounds like it's too much work, give it a try anyway - you'll be surprised. It's so easy to add macros to it, I find myself using it constantly. And you can hold down the command key and click a macro, and the macro will be launched instead of edited,