Hi @Meosky, Theresa ,
According to my test on my account, it can work. I suggest you clear your browser cache and cookies, and then restart your browser. Sometimes, this can fix the problem by refreshing your browser settings.
Please understand that Outlook tag mainly discusses the general problems of the Outlook desktop client. From the description, the problem is more related to Microsoft To Do, it is recommended to post a consultation on a dedicated To Do forum:
Microsoft To Do - Microsoft Community Hub
Thanks for your understanding and hope your issue can be resolved.
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