You can export data from HipChat Data Center (see https://confluence.atlassian.com/hipchatdc3/export-data-from-hipchat-data-center-913476832.html) and use the Mattermost ETL framework to import the solution (see https://github.com/Brightscout/mattermost-etl).
Learn more about migration options here: https://docs.mattermost.com/administration/migrating.html#migrating-from-hipchat-server-and-hipchat-data-center-to-mattermostNon Intanon commented
@Csaba i didnt mean to flag it. Its accident when i was trying to upvote this. I dont kniw how to undo. Sorry about that. Pelase let me know how to undo it :(Non Intanon supported this idea ·