You could look into what happens if you export the Spaces to XML and combine those ... but I wonder how easy it will be to resolve any conflicts
Copy Page Tree plugin would help copy pages and child pages and attachments from one Space to another
Or if the Spaces are to remain independent, try the Excerpt and Excerpt Include macros
Or why combine at all - just grant the Users of one Space access to the other Space
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