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Select the primer and click the Edit primer button to edit primer.

 Select the primer in the table (you can use Ctrl and Shift) and click Remove primer(s) button to remove primer(s).

To export primer(s) select it and click the Export primer(s) button. The following dialog will appear:

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  <img src="/wiki/download/attachments/16122426/Primer Library_3.png"/>
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Select the primer in the table (you can use Ctrl and Shift) and click Remove primer(s) button to remove primer(s).  Add files and click the Import button.