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Customer Support

Important Information

If you need support with our application, you can simply create a ticket within the CELUM Support Portal at support.celum.com. One of our support staff members will be ready to assist you during our regular support hours:

Monday – Friday, 9 AM to 5 PM CET.

Before creating a support ticket, we recommend trying the following steps, which might be able to quickly resolve your issue:

  • Logout, restart the browser and then log in again.
  • Clear your browser cache and your cookies.
  • Check the compatibility of your browser. Our system requirements can be found on the login page of our application.

You can also contact us by telephone during our regular support hours: