If you log out before updating to version 2.49 or higher, you will lose all un-synced data. After October 2021, you can keep your To Do apps syncing by updating your apps to the latest version. Action: Update Microsoft To Do apps (Android, iOS, Windows and Mac) and Outlook apps(Android and iOS) to the latest available version before October 31, 2021.Īfter October 2021, To Do app versions 2.48 or below will no longer sync across devices, but you’ll still be able to use To Do in offline mode.

Please make sure that you update your Outlook android and iOS apps as well. Also since To Do tasks are also linked with Outlook Android and iOS apps. Make sure your mobile and desktop To Do apps are version 2.49 or higher before end of October 2021 to avoid any issues with cross device syncing. For the best experience across all of your devices, you need to update to the latest version.

Microsoft is moving Microsoft To Do’s backend to a more efficient service. MC280287 – If your organization does not use Microsoft To Do, you can disregard this message.

Microsoft to do not working