MS To Do app does not synchronise reminders properly with outlook

Question

When I complete a task in MS To Do App (on my iphone) the corresponding reminder in outlook is not cancelled but still appearing.&nbsp;Did I miss something?&nbsp;Thanks for your supportBernd

salvatore biscari · Answer

It works fine for me...Have you tried to uninstall and reinstall the app (on the iPhone)?

deleted · Answer

Not yet. Backup is secured via the previous outlook sync, correct?

salvatore biscari · Answer

The backend for Microsoft To-Do is Exchange Online.Hence, every task present in Exchange Online (i.e. Outlook Tasks) should be safe.

deleted · Answer

Ok, thanks!&nbsp;I reinstalled the app, but the problem still exists.&nbsp;To track the problem I did the following in the app:a) created a new task "test"b) set a reminder for the same day (6pm)c) manually changed the reminder to 3pm, same dayd) checked the box for "task completed"&nbsp;In outlook the task was synchronized as follows:a) new task successfully synchronizedb) reminder set to 6pm, same dayc) change of reminder NOT synchronized - remains at 6pm, same dayd) completion of task synchronized (status is 100% completed), but reminder not automatically deactivated&nbsp;This really is kind of bothering as I do have to actively close any completed task in both front ends.&nbsp;Any idea?&nbsp;BRBernd&nbsp;

salvatore biscari · Answer

Adding&nbsp;Timo Yates

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MS To Do app does not synchronise reminders properly with outlook

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