Is a retroactive cancellation possible? Ing. Oliver Baltz October 11, 2022 18:46 Updated Cancellation is possible at any time, but not retroactively. Related articles Why have I received a payment reminder? More contacts were synchronized unscheduled. How can I have an invoice cancelled? How is the price calculated? Which apps is sync.blue® compatible with? How can I extend my trial period or have it restarted? Comments 0 comments Please sign in to leave a comment.