Boost 365 Desktop capabilities by directly integrating an array of developer tools
Power up 365 Desktop with 365 Extensions
Seamlessly connect your favorite development tools to your application development and deployment workflows. Augment 365 Desktop with debugging, testing, security, and networking functionalities, and build custom add-ons using the Extensions SDK.
Explore the possibilities
365 Extensions open a realm of possibilities by adding a variety of tools to your development workflows. Leverage your favorite tools directly from within 365 Desktop with one-click installation of extensions. Discover new ways to implement and optimize workflows in the Marketplace with extensions from both official Extension partners and community members.
Check out our extensions partners
Build custom capabilities
The Extensions SDK makes it easy for you to create your own custom 365 Desktop functionalities. Create and install an extension in minutes with the Extensions CLI, and use predefined commands to build your extension for multiple architectures, share it with your team, and publish it on 365 Hub.
Connect and share with millions of developers
Inspire and get inspired by the countless ways to expand the 365 development experience. Created Extensions can be shared to 365’s entire community on the Marketplace, making it easy for any contributor, group, or organization to benefit from a vast collection of development and deployment solutions.