Slack offers a dataexport featurethat allows you to export and backup data such as message history.
In addition to the workspace export feature, Slack also allows you to import that data.
Without this second part, the feature would be almost entirely pointless.
To get there, you first need to press the workspace name in the top-right corner.
Once in the workspace controls, go for the button to the controls top-right, labeled Import/export data.
Click Import/export data in the top-right.
In the default Import tab, tap on Import for data from Slack.
Slack also generally provides useful background information and guides to follow the process.
hit Import in the Slack section.
Slack offers a guide through the whole import process that explains every term and option that can really help.
To open it, click Review guide.
Click next to continue to the export upload process.
Once the upload is complete, it’s crucial that you configure what to do with users.
Next, you gotta choose how to import channels.
Finally, review the tweaks youve picked and click Import if youre happy with them.
Youll then see a progress bar showing you the state of your import process.
Youll receive a confirmation email once the import is complete.
By following the steps in this guide, you might import previously exported data to your workspace.