Migrate Data to WHMCSYou can use automated options like Sync Accounts or Importassist help you migrate client data, hosting accounts, and domains from other billing systems to WHMCS using automated import tools, or you can add data using manual entry.
ImportAssistImportAssist migrates data from external systems into WHMCS. It can migrate data from other WHMCS instances or from other applications.
Regenerate InvoicesRegenerate an invoice for a specific period, or regenerate old invoices after moving to WHMCS to ensure accurate historical records.