Announcement
- 04/23/2018 - Notice: ChatWork Live Operating Environment Changes
- 02/21/2018 - ChatWork is back online
- 02/03/2018 - Server Maintenance
- 01/27/2018 - Server Maintenance
- 01/02/2018 - iOS App crashing problem have been solved.
- 12/16/2017 - Server Maintenance
- 11/15/2017 - ChatWork is back online
- 11/13/2017 - ChatWork is back online
- 11/18/2017 - Server Maintenance
- 09/10/2017 - Server Maintenance
- 07/15/2017 - Server Maintenance
- 06/26/2017 - ChatWork is back online
- 05/27/2017 - Server Maintenance
- 03/02/2017 - ChatWork is back online
- 03/04/2017 - Server Maintenance
- 02/26/2017 - Support for older versions of mobile app ended
- 02/25/2017 - Server Maintenance
- 02/18/2017 - Server Maintenance
- 01/26/2017 - Chatwork API Update Notice
- 01/10/2017 - ChatWork is back online
- 12/28/2016 - Notice of Long-hour Maintenance Due to Service Reinforcement
- 11/26/2016 - Server Maintenance
- 11/21/2016 - ChatWork is back online
- 11/19/2016 - Server Maintenance
- 11/01/2016 - ChatWork is back online
- 10/29/2016 - Server Maintenance
- 10/22/2016 - Server Maintenance
- 10/08/2016 - Server Maintenance
- 10/01/2016 - Server Maintenance
- 09/17/2016 - Server Maintenance