Step 1
Navigate Central Administration –> Backup and Restore –> Export a Site or List and then choose your document library or list then Enter the file location then click the Start Export Button
Step 2
Exporting process take some time depending on the list size
Step 3
Open SharePoint Powershell run as administrator then enter following comment
Import-SPWeb -Identity <Site Path> -Path <cmp File path>
Step 4
Now we can see the new list with data.