a prefix (e.g., FV – issued invoice, ID – internal document),

a numeric part (e.g., 0001–9999),

a suffix (e.g., 2025 or 25).

Settings: Accounting → Document Series → Internal Documents

Or: side navigation → Accounting → Document Series

Settings: Sales → Document Series → Issued Invoices

Or: side navigation → Sales → Document Series

Settings: Purchasing → Document Series → Received Invoices

Or: side navigation → Purchasing → Document Series

Settings: Accounting → Document Series → Other Receivables

Or: side navigation → Accounting → Document Series

Settings: Accounting → Document Series → Other Payables

Or: side navigation → Accounting → Document Series

Settings: Goods → Document Series - warehouse

Or: side navigation → Goods → Document Series

Settings: Money → Document Series → Bank Documents

Or: side navigation → Money → Document Series

Settings: Money → Document Series → Cash Documents

Or: side navigation → Money → Document Series

🔙 Previous – return to the previous dialog.

⏭️ Next – proceed to the next step of the wizard.

❌ Cancel – cancels the entire company setup and returns you to the beginning of the new company creation wizard.