OpenERP and Odoo are part of the same product history. Odoo's May 15, 2014 announcement records the change from OpenERP to Odoo as the application suite expanded beyond ERP. Comparing them as unrelated products misses the operating decision facing a business that still runs an older installation.
This guide uses official vendor documentation checked on September 30, 2026. OPS is an Odoo implementation partner and has a commercial interest in implementation work. This is a migration decision guide, not a hands-on benchmark or a promise that an old database can be upgraded unchanged.
Start with the installed system
If your team says it uses OpenERP, record the exact server version, installed modules, hosting arrangement, database owner, and source-code location. A historical name on a login screen does not describe the full system. Local modifications, community modules, and integrations may account for much of what people use each day.
Find out who can restore a backup and who understands the changes made since installation. Check whether the supplier supporting the system maintains those changes, rather than assuming that a continuing support invoice means every dependency is current. Ask for the documented support position for your exact version and hosting model.
The current product has separate Community and Enterprise editions. Community is open source; Enterprise is licensed. An old OpenERP installation is not another name for today's Community edition. Product name, edition, version, and hosting are different questions.
Compare the decisions, not the names
Scroll to read all columns.
| Question | Legacy OpenERP installation | Current Odoo evaluation |
|---|---|---|
| What is being assessed? | Your installed version, modules, and local changes | A named target version, edition, and hosting plan |
| What must be proven? | Supportability, recovery, and continued process fit | Process fit, migrated data, integration compatibility, and controls |
| What drives cost? | Maintenance, workarounds, dependencies, and risk | Licenses where applicable, migration, delivery, hosting, and ongoing support |
| What happens to custom code? | Inventory its purpose and owner | Retain, replace with standard capability, rebuild, or retire after testing |
The table is an evaluation framework, not a claim that every old installation has the same limitations. A heavily customized system can still perform a narrow job effectively. Its usefulness does not remove the need to understand recovery and maintenance.
Decide what deserves to survive
Interview the people who enter orders, receive stock, approve purchases, reconcile accounts, and prepare reports. Ask which steps are required, which compensate for an old limitation, and which persist because no one revisited them. Keeping every customization can preserve problems; deleting them all can remove essential controls.
Make a requirements register with the business reason for each change. Link it to a real transaction and identify an owner who can accept the replacement. Examples include a pricing exception, a traceability requirement, a local report, or a handoff to another system. These are assessment scenarios, not claims about a particular OPS client.
Evaluate current standard functions before commissioning new code. If the target product covers a need, test it with your data and permissions. If it does not, compare an extension with a process change or another platform. The Odoo vs NetSuite guide can help when the question has become platform selection rather than version migration.
Plan the migration as a business change
Odoo's upgrade documentation separates an upgraded test database, custom-module compatibility, testing, and the production move. That sequence is useful, but it does not establish that your historical version qualifies for a particular upgrade service or direct migration path.
Request a written route from the source version to the target. Confirm who migrates the database, who adapts custom code, and who tests third-party modules. If several intermediate steps are needed, specify which party owns each step and how the final balances and records will be reconciled.
Data acceptance should include record counts, open orders, unpaid invoices, inventory quantities, attachments, access permissions, and accounting balances appropriate to the scope. Agree which history must remain operational and which can live in a controlled archive. Do not discard legal or financial records simply because the target system does not need them for daily work.
Rehearse the cutover. Define the final data freeze, approved backup, reconciliation checks, communication plan, and conditions for stopping the move. Ask what happens if a critical integration fails after the target is available. A successful database conversion is only one part of successful operational acceptance.
Compare the full cost
Current Odoo Enterprise pricing separates subscription plans and excludes implementation, Odoo.sh hosting, and custom-code maintenance from the base subscription. Community's open-source status does not make hosting, upgrades, integration work, or support costless.
Request costs for the transition and the following operating period. Include the time your finance and operations teams spend on testing and training, as well as supplier charges. Compare those costs with the current maintenance and workaround burden using your own records, not an invented savings percentage.
Common questions
Is OpenERP a competitor to Odoo?
No. OpenERP is the former name. The practical comparison is between a specific legacy installation and a specified current configuration.
Does changing the name make migration simple?
No. The historical relationship does not prove compatibility between versions, modules, data models, and custom code. Confirm the migration route and test it.
Should every legacy business move to Odoo Enterprise?
No. Edition and platform selection should follow requirements, support needs, budget, and operating capacity. A current Odoo configuration is one option, not the conclusion before assessment.
Start with the legacy operating problem
OPS's ERP Solutions practice starts with requirements and the implementation route. Bring the installed version, module list, known customizations, and the workflows that are hardest to support. Use the implementation-partner checklist to clarify who owns migration, testing, and support before committing.