Very easy! Go to your Confluence SPACE settings (Space Tools –> Content Tools) and Select “Export to XML”
Then export to generate the .ZIP file
Then go to the Confluence “Administration Page” and select “Import Spaces”
Click in “Import Spaces” and upload your .ZIP file to Import.
Link to Cloud Project isn’t Mandatory let it in “None”
Once the Upload is Complete you must “repair” the Macros. Just click to repair the Macros and that’s all! Confluence space exported/imported!
IMPORTANT NOTE IF YOU WANT TO CLONE THE SPACE OR IF YOU WANT TO IMPORT A SPACE WITH AN EXISTENT SPACE KEY IN CONFLUENCE!
Yo must decompress the .ZIP, edit the Entities file XML and replace the KEY of the Space for another not existent one.
You can follow these instructions: