It's important to back up your data on a regular basis.
To create a complete backup of your website using cPanel, refer to this instruction.
1. Log in to your cPanel account.
2. In the Files section, click on Backup Wizard.
3. Under Backup or Restore, click on Back Up.
4. Under Select Partial Backup, choose one of the available backup options to create and download a backup of it. To download a Home Directory backup, click on Home Directory.
5. Now, click on Download.