Duality Software
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Registered users who purchased licenses before March 6, 2019 may choose to purchase discounted upgrade licenses.

We have sent an email with upgrade instructions to all registered users with valid email addresses. If you did not receive this email message, please provide us with the information requested below so we can locate your record in our database and email the upgrade instructions to you.

Your Name:


Your Email Address:




Registration ID:

(On the Plug-ins menu, click About HandySync for Google
to find your Registration ID.)