Navigate to Confluence administration > Linchpin Theme.
There, you will find the submenu item Export. Click on the Export link and an .xml configuration file will be downloaded.
Navigate to Confluence administration > Linchpin Theme > Import.
Click on the Choose file button and select the correct .xml configuration file. Click on the Save button.
A warning window will open. We advise to export the current settings to a back-up file. To do so, click the Export button.
Then, click the Import button. Your theme settings are imported now.
Link to this page: https://seibert.biz/linchpinessentials-export-import-theme