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on 6/20/16Hi Arlene, our site is very secure - we use 128 bit SSL encryption. We're not sure why you aren't seeing the padlock icons. Would you be able to email our support team at support@zamzar.com, and let them know what browser and version of browser you are using? Thanks very much, the Zamzar team. P.S. Once you are signed up you can easily upgrade your account if you want to, through your Zamzar account page.