A partial backup of cPanel can be simply restored.
Please be aware that restoring such a backup will replace your current data.
1. Log in to your cPanel account.
2. In the Files section, click on Backup Wizard.
3. Under Backup/Restore, click on Restore.
4. Under Select Restore Type, choose the appropriate option.
5. Click on Browse. Select the backup file from your computer and click on Upload.