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POS Offline (Resume Session Offline) - Retail and Restaurant

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Required Apps Point of Sale (point_of_sale)
Restaurant (pos_restaurant)
Employees (hr)
Discuss (mail)
Inventory (stock)
Invoicing (account)
Technical Name pos_retail_offline
License OPL-1
Also available in version 17.0 14.0
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Technical Name pos_retail_offline
License OPL-1
Also available in version v 17.0 v 14.0

Introduction

The POS Retail Offline module equips Odoo Point of Sale with reliable offline capabilities, designed to keep sales operations uninterrupted during internet or server failures. All relevant POS data—products, customers, taxes—are preloaded and stored locally when a session starts, allowing full transaction functionality even without connectivity. Once the connection is restored, all pending orders synchronize automatically, preserving data integrity and operational continuity.

Key Features

  • Cache essential POS data upon session start for offline readiness

  • Allow sales and receipt printing even without internet or server access

  • Automatically synchronize offline orders and stock updates once back online

  • Enable refresh or reopen of POS session to continue sales with no disruption

  • Operate seamlessly without manual switching between online/offline modes

Benefits

  • Prevent sales interruptions during internet or server outages

  • Maintain operational efficiency and customer service even in offline conditions

  • Reduce risk of lost transactions with auto-sync upon reconnection

  • Support mobile or remote retail scenarios with unreliable connectivity

  • Improve staff confidence and reliability with smooth offline performance

Compatibility & Technical Details

Technical Name: pos_retail_offline

Required Modules: Point of Sale

License: Odoo Proprietary License v1.0 (OPL-1)

Installation Steps:

  1. Copy the module folder into your Odoo add-ons directory.

  2. Activate developer mode and refresh the apps list.

  3. Install the pos_retail_offline module.

  4. Start a POS session while online so the necessary data is cached; thereafter, sales continue seamlessly even if the connection drops.

Odoo Proprietary License v1.0
This software and associated files (the "Software") may only be used (executed,
modified, executed after modifications) if you have purchased a valid license
from the authors, typically via Odoo Apps, or if you have received a written
agreement from the authors of the Software (see the COPYRIGHT file).

You may develop Odoo modules that use the Software as a library (typically
by depending on it, importing it and using its resources), but without copying
any source code or material from the Software. You may distribute those
modules under the license of your choice, provided that this license is
compatible with the terms of the Odoo Proprietary License (For example:
LGPL, MIT, or proprietary licenses similar to this one).

It is forbidden to publish, distribute, sublicense, or sell copies of the Software
or modified copies of the Software.

The above copyright notice and this permission notice must be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.