The OSERP operating manual

Choose the business task you need to complete. Use the Atlas when you need exact field locations or constraints. These founding-edition guides identify operating sequences and verification points; the coverage register distinguishes reviewed implementation guidance from runtime-tested procedures.

Your work	Guide
Maintain accounts, post journals, reconcile, and close	Accounting
Prepare quotations, orders, deliveries, invoices, and purchases	Sales and purchasing
Manage stock, locations, transfers, and adjustments	Inventory
Run the checkout counter and reconcile a shift	POS
Maintain customers and suppliers	Business partners
Configure the company and access	Administration
Maintain employee and payroll information	People and payroll
Maintain a shop and fulfil online orders	Ecommerce
Track project work and review approvals	Projects and workflows
Use AI assistance and connected interfaces	AI and integrations

A reliable transaction routine

Confirm company → check prerequisites → enter or select records → review quantities and amounts → save → obtain required approval → execute the appropriate posting/fulfilment action → inspect the result → reconcile.

The steps can span more than one screen. Keep the original document reference throughout. If an operation fails or times out, investigate whether a record already exists before repeating a write.