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Odoo provides powerful built-in accounting reports- Aged Receivable, Aged Payable, General Ledger, Balance Sheet, right out of the box. But many businesses need more context: for example, payment terms, transaction currency, expected payment dates, or custom fields specific to their processes. Here’s how you can customize these reports in Odoo by adding new columns or modifying existing rows, giving you better financial visibility. How the Odoo Reporting Engine Works To customize reports, it’s important to understand the three main layers in Odoo’s report system: Report Handlers (Python Models) These are the back-end logic classes that gather data, build SQL queries, group and compute values. When you want to inject new data or change the logic, you usually inherit and extend these handlers. Report Models ( account.report ) These represent report configurations: which measures (columns) are shown, filters (dates, journals), default settings, etc. Report Templates (XML / QWeb) After dat...

Financial data is most useful when it’s presented in the right way. While businesses rely on accurate bookkeeping, decision-makers need customized reports to analyze performance, track expenses, and plan ahead. Traditionally, creating such reports required developers to write code. With Odoo, that barrier is removed so you can build and customize accounting reports through its no-code framework, directly from the interface. Odoo’s No-Code Reporting Building Blocks Odoo provides a modular framework that makes reporting highly flexible: Root Reports – Master templates used to create multiple versions. Variants – Localized or customized versions of root reports. Lines – Each row in the report (e.g., Revenue, Expenses, Adjustments). Expressions – Logic defining how values are calculated. Columns – Metrics like current year, previous year, or variance. Grouping – Breakdowns by analytic account, department, or team. Engines – Methods like domain filters, prefix logic, or formulas to ...