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On2 Product Support

Use this form to contact us any time for product support. Support staff is available Monday - Friday from 8am - 6pm, U.S. Eastern time (except U.S. holidays). We make every effort to respond quickly to new cases, but in periods of high volume it may take up to 48 hours to respond.

Get telephone and postal mail information on our Office Locations page.

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Pre-sales, investor, and media-related inquiries will get a faster response via our Information Request form.

Which On2 product do you have?












To find your username and serial number:

Windows: Help Menu -> About
Mac: Product Name menu (first menu) -> About
Flix Engine: Check your original registration email from On2

SDK and Flix Publisher customers will not have a username and serial number.


To find your username and serial number:

Windows: Help Menu -> About
Mac: Product Name menu (first menu) -> About
Flix Engine: Check your original registration email from On2

SDK and Flix Publisher customers will not have a username and serial number.

On which computing platform do you use the product?







Please enter your email address carefully, so we can reply without problems. If you own an On2 product, please use your registered email address if possible.

Be sure to approve all messages from on2.com in your spam filter.


We're here to help! Please give enough information about your issue to let us reproduce the problem, and provide a speedy solution.