Mar 29, 2019 - Method 1. Opening an Envelope with Steam. Place a tea kettle on the stove. Boil water in a tea kettle until steam begins to shoot through the spout. Place the envelope seal in the steam. Use an envelope opener to lift the flap. Let the envelope dry. Reseal the envelope. Mar 29, 2019 - Look at the corner of the envelope flap for a small opening that hasn't been glued down. Carefully . Seal the envelope again when finished. Jun 19, 2019 - If you need to open an envelope and then reseal it again without anyone knowing you opened it in the first place, you can freeze, steam or . I forgot to insert a check into an envelope after I sealed it up. Does anyone have any . Insert the cheque and use a little bit of glue stick to reseal. (07/02/2009). This video is a short tutorial with a storyline (sense of humor required). It 'addresses' how to actually break open a sealed envelope and reseal it perfectly. How many times have you sealed an envelope that matches perfectly with that special greeting card—and then realized that you forgot to enclose. why dont you just open the envlope and reseal it with a new one? just . hands on some, the old VCR head cleaning fluid works pretty well. . right out the window. With a little care, patience and knowledge, . . Reseal the envelope with a thin strip of rubber cement or a glue stick. Either way, go light . It will show you how to open an envelope and reseal it secretly, protecting you from Bring a little magic and wonder into the lives of those around you with this .