In case you missed the announcement: The Alteryx One Fall Release is here! Learn more about the new features and capabilities
here
ACT NOW: The Alteryx team will be retiring support for Community account recovery and Community email-change requests after December 31, 2025. Set up your security questions now so you can recover your account anytime, just log out and back in to get started.
Learn more here
Have you tried the Join tool? Here is an article that goes into more details about it. If you read these and find that they are not helpful in accomplishing what you want, add some more details about your problem and some sample data and we can give more specific feedback.