Yes, it is often possible to cancel or modify a travel insurance policy after purchase, but the specifics depend on the terms and conditions outlined in the policy. Many travel insurance providers, including Travel Guard, typically offer a grace period during which a policy can be canceled for a full refund, provided no claims have been made. It is essential to review the policy documentation to understand the cancellation and modification provisions. Additionally, some policies may allow for modifications, such as changing coverage amounts or adding additional features, but this can depend on the timing and the type of changes requested. It is advisable to consult the policy details or the current web page for specific instructions on how to proceed with cancellations or modifications, as these processes may vary. It is important to take action as soon as possible to ensure compliance with any deadlines or requirements.