First you must prepare one or more template designs as described here.
Use 1 (directly)
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Method 1: From main menu choose File/New From Template.
Method 2: Press Ctrl+T on keyboard.
Use 2 (from New Label Wizard)
ááááááááááá Start New Label Wizard and on Page 2 (Additional) choose wanted template file.
Note: When you choose plain File/New option, template from Default.clt file is used automatically. Thus, if you want to change default template you need to edit this file.
See also: