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Answers to various questions can be found in our very detailed FAQs.

If you are unable to find the answer you are looking for, you can contact the CALVENDO Team at: Just describe the problem you have encountered. Please also indicate the title of your project along with the project ID. We will get back to you as quickly as possible.

Note that our support team can only answer technical questions. For questions relating to the design or subject of your project, please refer to the text box that you see just before you submit a given project to your jury. Thank you!


Should you notice any infringements on the CALVENDO website, no matter what kind (ex. copyright, competition, trademark), please contact us directly via and help us avoid legal disputes. We will address your concern without delay and get back to you as quickly as possible. We are usually immediately able to remove any content that infringes on someone's rights.

Consent form:
I confirm having read the data protection declaration and agree that the data I enter in this contact form may be collected and saved electronically solely for the purpose of processing and responding to my request.
By using and sending this contact form I agree to the aforementioned process.

This consent form was drawn up based on currently available sources. It serves as the first draft. However, it is important to highlight that different views are still being expressed as many questions have not yet been clarified and that no statements have yet been received from the data protection authorities. No liability is assumed for correctness and completeness of our content. It should also be pointed out that each case must be examined and considered on its own merits and the information on this website is not a substitute for legal advice.