ERIC  Does an adequate job ... you really don't have much of a choice if you are looking for software to do this.. Avery's print label site is okay but you cannot adjust the fonts much or their sizes.

Three things I am disappointed about this app .. 1. you cannot print only one label at a time unless you manually clear every other label (you can't select all-clear) the output options are limited .. 2. I have a bug where the cursor remains on the label unless I press "tab" after ... the developer said he would be contacting me but never did. 3.For all it does at $30

US I think it is overpriced. Of course if you want all the bells and whisles you can go for their Mail merge Pro and pay even more. All that said .. I did pay for it and am using it .. because there really is nothing else for what I need.  
(Version 6.2)

LARRY  Great app nuff said.  
(Version 6.1.1)

JEAN  Just bought this product. After sending print command, window's slider stops working. Cannot access labels under viewable area. This a real bug specially if you need to print one label at a time. Hope they come up with a correction.  
(Version 6.0.2)