If you go to the submission page for the submission you want to move, you can edit the submission details on the right side of the page below the submission information (views, comments, faves, rating, etc). There'll be a dropdown in there to choose which folder to move it into.
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Taw
If you go to the submission page for the submission you want to move, you can edit the submission details on the right side of the page below the submission information (views, comments, faves, rating, etc). There'll be a dropdown in there to choose which folder to move it into.