Presumably you are using Confluence and JIRA together? In case, the process is unfortunately going to become a bit more tedious, see the resp. warning note at the end of the first paragraph:
Multiple cloud apps?
Note: Site import is only available for Confluence-only instances. If you have multiple applications, such as Confluence and JIRA, you'll need to export and import spaces individually. See Importing a Confluence Space.
More and more people are building their careers with Atlassian, and we want you to be at the front of this wave! Important Dates Start the Certification Prep Course by 2 April 2019 Take your e...
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