Office Online Server release schedule
Summary: Learn about the Office Online Server release schedule and upgrade requirements.
Microsoft plans to support the most current Office Online Server build with security and critical updates until the next one is released.
Previous builds will continue to function. However, if you request support that ultimately requires a hotfix, you will be required to upgrade to the latest build.
The following table shows the Office Online Server build release history and current build.
(You can determine your current build by looking at the Version number in Add/Remove Programs.)
|Build||Availability Date||Support End Date|