Currently LabelKeep runs on OSX 10.6 and earlier. This is due to an issue with Dymo's driver's. If you have a Mac it will run on, you can download LabelKeep from this add-ons page.

Once LabelKeep is installed, let us know, and we'll turn on LabelKeep integration for you. After that's done, log out, then log back in. Select the item you want to print a label for, and click on the link near store code. That will generate a bar code for you, and open LabelKeep. If you want the price to print with the label, go to Settings -> Label Settings, set "Print Price on Label" from the drop down to "yes" and hit "update"

That's all. LabelKeep prints in 3 sizes - Rectangle, Square and Butterfly labels. We sell Dymo Barcode labels of those sizes here