Notice history

Jun 2026

Jul 2026

Aug 2026

Jun 2026

Jul 2026

Aug 2026

Jun 2026

Jul 2026

Aug 2026

Jun 2026

Jul 2026

Aug 2026

Jun 2026

Jul 2026

Aug 2026

Jun 2026

Jul 2026

Aug 2026

Aug 2026

Deployment Window for OX App Suite v8.51

Scheduled for August 06, 2026 at 6:00 AM – 6:00 AMUTC

Planned
July 29, 2026 at 9:45 AMUTC
Planned
July 29, 2026 at 9:45 AMUTC
This OX Cloud platform update includes the following main feature:
- Private appointments by default: Users can now mark new appointments as private by default for their own calendars, making it easier to protect calendar details consistently.
- Resizable all-day area in Calendar: In day and week views, desktop users can now resize the all-day section when many all-day appointments need more space.
- Choose where new contacts are saved: The contact creation dialogue now includes a “Save in” picker, allowing users to choose the private, public, or shared address book where a new contact should be stored.
- Tasks in the calendar: Users can now show tasks with due dates directly in Calendar. The new Tasks calendar can be enabled in Calendar settings and shown or hidden like any other calendar.
- Additionally, this OX App Suite release contains bug fixes and several improvements. A full list can be found here: https://documentation.open-xchange.com/appsuite/releases/8.51/changelogs/ui.html
Fixes to the OX Cloud platform in this release include:
- https://documentation.open-xchange.com/appsuite/releases/8.51/
Expected Impact:
- No user impact is expected

Jul 2026

Infrastructure Maintenance July 21st

Completed
July 22, 2026 at 2:00 AMUTC
Completed
July 22, 2026 at 2:00 AMUTC
Maintenance has completed successfully
In progress
July 21, 2026 at 10:00 PMUTC
In progress
July 21, 2026 at 10:00 PMUTC
Maintenance is now in progress
Planned
July 16, 2026 at 5:43 AMUTC
Planned
July 16, 2026 at 5:43 AMUTC
Short description of planned tasks:
- Housekeeping tasks on backend systems
Expected Impact:
- During the period there is the possibility of brief interruptions to certain services. Please note that a complete suspension of all the services during the whole period is unlikely.

Deployment Window for OX App Suite v8.50

Completed
July 16, 2026 at 8:00 AMUTC
Completed
July 16, 2026 at 8:00 AMUTC
Maintenance has completed successfully
In progress
July 16, 2026 at 6:00 AMUTC
In progress
July 16, 2026 at 6:00 AMUTC
Maintenance is now in progress
Update
July 07, 2026 at 9:32 AMUTC
Update
July 07, 2026 at 9:32 AMUTC
Due to a technical issue, the maintenance window has been canceled and postponed.
Please note that the start time has been rescheduled to July 16, 2026, between 02:00 a.m. and 04:00 a.m. EDT.
Planned
June 29, 2026 at 10:54 AMUTC
Planned
June 29, 2026 at 10:54 AMUTC
This OX Cloud platform update includes the following main feature:
- Enhanced accessibility throughout OX App Suite: This release includes a broad range of accessibility improvements, including better keyboard navigation, improved screen reader support, enhanced focus handling, clearer ARIA semantics, and improved color contrast across various areas of the user interface. More information about accessibility can be found at https://documentation.open-xchange.com/8/ui/accessibility.html
- Additionally, this OX App Suite release contains bug fixes and several improvements. A full list can be found here: https://documentation.open-xchange.com/appsuite/releases/8.50/changelogs/ui.html
Fixes to the OX Cloud platform in this release include:
- https://documentation.open-xchange.com/appsuite/releases/8.50/
Expected Impact:
- No user impact is expected

Infrastructure Maintenance July 15th

Completed
July 15, 2026 at 8:00 AMUTC
Completed
July 15, 2026 at 8:00 AMUTC
Maintenance has completed successfully
In progress
July 15, 2026 at 6:00 AMUTC
In progress
July 15, 2026 at 6:00 AMUTC
Maintenance is now in progress
Planned
July 08, 2026 at 10:15 AMUTC
Planned
July 08, 2026 at 10:15 AMUTC
Short description of planned tasks:
- Housekeeping tasks on backend systems
Expected Impact:
- During the period there is the possibility of brief interruptions to certain services. Please note that a complete suspension of all the services during the whole period is unlikely.

Jun 2026

Infrastructure Maintenance for Dovecot Pro June 24th (100%)

Completed
June 24, 2026 at 9:00 AMUTC
Completed
June 24, 2026 at 9:00 AMUTC
Maintenance has completed successfully
In progress
June 24, 2026 at 5:00 AMUTC
In progress
June 24, 2026 at 5:00 AMUTC
Maintenance is now in progress
Planned
June 17, 2026 at 8:26 AMUTC
Planned
June 17, 2026 at 8:26 AMUTC
Short description of planned tasks:
- Housekeeping tasks on backend systems
Expected Impact:
- The main focus of this release is to improve the quality and stability of Dovecot Pro. During the period there is the possibility of brief interruptions to certain services. Please note that a complete suspension of all the services during the whole period is unlikely.

Infrastructure Maintenance for Dovecot Pro June 17th (50%)

Completed
June 17, 2026 at 8:19 AMUTC
Completed
June 17, 2026 at 8:19 AMUTC
Maintenance has completed successfully.
In progress
June 17, 2026 at 5:00 AMUTC
In progress
June 17, 2026 at 5:00 AMUTC
Maintenance is now in progress
Planned
June 17, 2026 at 5:00 AMUTC
Planned
June 17, 2026 at 5:00 AMUTC
Short description of planned tasks:
- Housekeeping tasks on backend systems
Expected Impact:
- The main focus of this release is to improve the quality and stability of Dovecot Pro. During the period there is the possibility of brief interruptions to certain services. Please note that a complete suspension of all the services during the whole period is unlikely.

Deployment Window for OX App Suite v8.49

Completed
June 11, 2026 at 8:01 AMUTC
Completed
June 11, 2026 at 8:01 AMUTC
Maintenance has completed successfully.
In progress
June 11, 2026 at 6:24 AMUTC
In progress
June 11, 2026 at 6:24 AMUTC
Maintenance is now in progress.
Planned
June 11, 2026 at 6:00 AMUTC
Planned
June 11, 2026 at 6:00 AMUTC
This OX Cloud platform update includes the following main feature:
- This OX App Suite release contains bug fixes and several improvements. A full list can be found here: https://documentation.open-xchange.com/appsuite/releases/8.49/changelogs/ui.html.
Fixes to the OX Cloud platform in this release include:
- https://documentation.open-xchange.com/appsuite/releases/8.49/
Expected Impact:
- No user impact is expected

Infrastructure Maintenance for Dovecot Pro June 10th (10%)

Completed
June 10, 2026 at 9:00 AMUTC
Completed
June 10, 2026 at 9:00 AMUTC
Maintenance has completed successfully
In progress
June 10, 2026 at 5:00 AMUTC
In progress
June 10, 2026 at 5:00 AMUTC
Maintenance is now in progress
Planned
June 10, 2026 at 5:00 AMUTC
Planned
June 10, 2026 at 5:00 AMUTC
Short description of planned tasks:
- Housekeeping tasks on backend systems
Expected Impact:
- The main focus of this release is to improve the quality and stability of Dovecot Pro. During the period there is the possibility of brief interruptions to certain services. Please note that a complete suspension of all the services during the whole period is unlikely.

Deployment Window for OX App Suite v8.49

Planned
June 04, 2026 at 6:00 AMUTC
Planned
June 04, 2026 at 6:00 AMUTC
This OX Cloud platform update includes the following main feature:
- This OX App Suite release contains bug fixes and several improvements. A full list can be found here: https://documentation.open-xchange.com/appsuite/releases/8.49/changelogs/ui.html.
Fixes to the OX Cloud platform in this release include:
- https://documentation.open-xchange.com/appsuite/releases/8.49/
Expected Impact:
- No user impact is expected
Completed
June 03, 2026 at 2:57 PMUTC
Completed
June 03, 2026 at 2:57 PMUTC
The maintenance window has been canceled.
We have to inform you, that our scheduled maintenance will be postponed. A new maintenance window will be created shortly.

Jun 2026 to Aug 2026

cloud-us - Notice history

All systems operational

Notice history

Aug 2026

Jul 2026

Jun 2026