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You can from both top and bottom window enter the context menu by right clicking and then choose ‘Find matching’. This will potentially assist you on finding the right match by filtering on the width and height with a 1 mm in tolerance from either the material or order:
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When you have found your matching material you can drag and drop to the order you want to match it with. If you by mistake drop it on a wrong order you can always enter the context menu by right clicking on the order and choose ‘Detach’:
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DAM:
A split window of all print and digital orders and assets on two levels = order + customer:
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