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---
sidebar_navigation:
title: OpenProject Documentation
priority: 999
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description: Help and documentation for OpenProject Community Edition, Enterprise on-premises and Enterprise cloud.
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keywords: help, documentation
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---
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# OpenProject Documentation
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> [!NOTE]
> For enhanced usability, access the OpenProject documentation at [www.openproject.org/docs/](https://www.openproject.org/docs).
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## Installation
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Get started with installing and upgrading OpenProject using [our Installation Guide starting point ](./installation-and-operations/ ).
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The guides [packaged ](./installation-and-operations/installation/packaged ) and [Docker-based ](./installation-and-operations/installation/docker ) installations are provided.
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## Upgrading
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The detailed upgrade instructions for our packaged installer are located on the [official website ](https://www.openproject.org/download-and-installation/ ).
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The guides for [upgrading ](./installation-and-operations/operation/upgrading ) are provided.
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## Operation
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* [Backing up you installation ](./installation-and-operations/operation/backing-up )
* [Alter configuration of OpenProject ](./installation-and-operations/configuration )
* [Manual repository integration for Git and Subversion ](./installation-and-operations/configuration/repositories )
* [Configure incoming mails ](./installation-and-operations/configuration/incoming-emails )
* [Install custom plugins ](./installation-and-operations/configuration/plugins )
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## User Guides
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Please see our [User Guide pages ](./user-guide/ ) for detailed documentation on the functionality of OpenProject.
## Use Cases
Please see our [Use Cases section ](./use-cases/ ) for detailed how-to guides and step-by-step instruction on how to set up a variety of common cases and views.
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## Development
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* [Full development environment for developers ](./development/development-environment )
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* [Developing plugins ](./development/create-openproject-plugin )
* [Developing OmniAuth Plugins ](./development/create-omniauth-plugin )
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* [Running tests ](./development/testing )
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* [Code review guidelines ](./development/code-review-guidelines )
* [API documentation ](./api )
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## APIv3 documentation sources
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The documentation for APIv3 is written in the [OpenAPI Format ](https://www.openapis.org/ ) and its sources are being built from the entry point `openapi-spec.yml` .