You can export your data: https://slack.com/help/articles/201658943-Export-your-workspace-data https://slack.com/help/articles/201658943-Export-your-worksp...

You can export your data: https://slack.com/help/articles/201658943-Export-your-workspace-data https://slack.com/help/articles/201658943-Export-your-worksp... For private messages I think you have to send in a GDPR request. You can view it in a slack like viewer here: https://github.com/hfaran/slack-export-viewer https://github.com/hfaran/slack-export-viewer