Supported versions of Out-of-Office Extender
See supported Out-of-Office Extender versions, support end dates, and upgrade eligibility.
Supported versions of Out-of-Office Extender are:
- Version 10.X - end of support September 1, 2029
Version 10 uses Graph to access Exchange Online mailboxes (retiring use of EWS) and includes official support for Exchange Server Subscription Edition.
Versions older than those listed above are no longer supported.
If your license is under active maintenance, you can upgrade to the latest version at no charge.