Which article are you following? I'm not aware of any Content Control menu item in Confluence, but the steps to export from Confluence Server are as follows:
Can you try that and let me know if you're able to access your backup?
Also please note that if you're importing to a Cloud instance that also has Jira installed, you will not be able to restore using the site backup, and will need to do it one space at a time.
Let me know if you have any questions about any of that.
Do you use templates with Confluence? Take part in a remote 1-hr workshop. You'll receive USD $100 for your time! We're looking for people to participate in a remote 1-hr workshop...
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
You're one step closer to meeting fellow Atlassian users at your local meet up. Learn more about AUGs