The MongoDB 4.0 Manual

MongoDB 4.0 Released

For new features in MongoDB 4.0, see Release Notes for MongoDB 4.0.

To download the MongoDB 4.0, go to the MongoDB Download Center

Welcome to the MongoDB 4.0 Manual! MongoDB is an open-source, document database designed for ease of development and scaling. The Manual introduces key concepts in MongoDB, presents the query language, and provides operational and administrative considerations and procedures as well as a comprehensive reference section. [1]


Community Support
You can get help with MongoDB through various community-supported forums, such as Stack Overflow as well as our mailing list and Slack channel. For details, see Community Support.
Commercial Support
MongoDB, Inc. also offers commercial support and services. For details, see Commercial Support.


For instructions on how to file a JIRA ticket for the MongoDB server or one of the related projects, see


Getting involved in the MongoDB community is a great way to build relationships with other talented and like minded engineers, increase awareness for the interesting work that you are doing, and sharpen your skills. To learn about the MongoDB community, see Get Involved with MongoDB.

Learning MongoDB

In addition to the documentation, there are many ways to learn to use MongoDB. You can:


The manual is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 United States License

For information on MongoDB licensing, see MongoDB Licensing.

Additional Resources

MongoDB, Inc.
The company behind MongoDB.
MongoDB Atlas
Database as a service.
MongoDB Cloud Manager
A cloud-based hosted operations management solution for MongoDB.
MongoDB Ops Manager
Enterprise operations management solution for MongoDB: includes Automation, Backup, and Monitoring.
MongoDB Ecosystem
The documentation available for the drivers, frameworks, tools, and services for use with MongoDB.
[1]The manual is also available as HTML tar.gz and EPUB