Welcome to OpenChange
OpenChange Social Media
Download OpenChange 2.2 NANOPROBE
OpenChange 2.2 NANOPROBE is the latest release available for download. Download packages for your Linux distributions, sources and GPG signature:
Sponsor: Zentyal eBook, all profits donated to OpenChange
“OpenChange technology has become a core part of Zentyal Server during the past years and besides actively contributing to the project by developing new features, submitting bug reports and patches, we believe it is also important that the project receives financial support” said Mateo Burillo, Training Manager at Zentyal.
All the profits generated by the book sales are donated in full by Zentyal to the OpenChange project.
Zentyal is an easy to use and affordable hybrid IT infrastructure, that is natively interoperable with Microsoft Active Directory® and Microsoft® Exchange Server.
OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers.
OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.
OpenChange is a member project of the Software Freedom Conservancy.
Meet with the OpenChange Team in May 2015!
The OpenChange team will be at the Protocols Plugfest Europe
2015 conference and will give talks about OpenChange
architecture, latest development and features, and a keynote on the
next evolution steps of interoperability.
conference will be hosted in Spain, Zaragoza and will be held
on May 12th-14th 2015. It will cover Open Source offerings, Microsoft
interoperable products and technologies, and interoperable industry
solutions. We are thrilled to attend this event and hope to meet you
Register for free here
Lightning talk at FOSDEM15
The talk is scheduled in room H.2215 at 10.40 on Sunday, Feb 1st.
The abstract of the talk along with scheduling information can be found at the following URL: https://fosdem.org/2015/schedule/event/openchange_rest_api/
OpenChange Hackathon #1
Today we are having a hackathon dedicated to the OpenChange REST
The list of project, progress, results and resources canbe found on the Hackathon webpage and will be updated all along the event. Work in Progress!
OpenChange 2.2 NANOPROBE Released!
The OpenChange project team is happy to announce a new release (2.2
"Nanoprobe") is now available for
This release is a major OpenChange release. It is designed to work with "4.1.11" release of Samba4 and a version of SOGo strictly superior to 2.2.7. See the release notes for more info »
Microsoft Plugfest 2014 slides available
The slides of the OpenChangeSim presentation (MAPI stress testing tool) given at Microsoft Redmond Protocols Interoperability plugfest (June 2014) are now available. You can download them either in ODP or PDF from 2 different locations: