Microsoft 365 and Office | Microsoft To Do | For home
A cloud-based task management app from Microsoft that helps users organize and manage daily tasks across devices.
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We have same problem on personal accounts.
Cannot share to do list
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SelAromDotNet
76
Reputation points
I created a list and am unable to share it with my wife. We are both logged in with personal (not work) accounts. When I create the shared link and send it to her she gets the error: Can’t join list It looks like this list isn’t available. Try contacting the person who invited you.
when she sends me a list invite link I see the same error message.
We each both get a notification on our PC that the other has joined, but then they are immediately removed and no longer shared.
We have tried deleting the list and trying again. we have tried stopping sharing and resharing. we have tried logging out and in, we have tried incognito browser sessions. we tried uninstalling the app and reinstalling and the result is the same, on desktop, web, and mobile.
I'm positive it's a problem with my Microsoft ACCOUNT and not the app, but support keeps telling me to just "login with my microsoft account" and it will resolve the issue. to do support sent me to outlook support saying it's a problem with my account, outlook support sent me back to to do support saying it's a problem with my account.
so what the F am I supposed to do here? there is clearly an issue with my microsoft account because this isn't the only service that is giving me issues. I can't open shared one note notebooks from my family either.
how am I supposed to get actual support for this problem? I am seriously done with microsoft, and am working to migrate exclusively to google services as I'm so sick of nothing working when all I'm trying to do is use BASIC FEATURES of the platform and getting absolutely NO SUPPORT for a service I'm PAYING FOR.
Microsoft 365 and Office | Microsoft To Do | For home
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Jamie Baldwin 15 Reputation points2026-01-05T05:03:10.2066667+00:00 Exactly the same issue. Business account. Im trying to share a list with 4 others who also have business accounts under our domain. It was working fine for 2 years, now 3 have stopped working for no reason and can no longer connect.
If it wasn't for our clients, I would dump everything Microsoft in a heartbeat.
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Francois 5 Reputation points2026-01-05T05:20:12.1666667+00:00 Same issue, has been working fine, tried sharing a new list from my side and my wife's side yesterday and getting same error.
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Alex_T 6,410 Reputation points Microsoft External Staff Moderator2026-01-06T17:32:54.2933333+00:00 Hi Jamie Baldwin, Francois, and Nayeli Velazquez,
I’m seeing the same symptom across multiple recent threads. At the moment, the best next step is to submit in‑app feedback (To Do > Settings > Suggest a feature / Feedback) and also open a support request referencing that the join is briefly detected then the user is removed. Sorry for this inconvenience.
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SelAromDotNet 76 Reputation points
2026-01-07T17:50:33.31+00:00 I attempted following the instructions by creating a new list via outlook.live.com/tasks as suggested, but when I do and attempt to share the link, I get this error:
this was a brand new list I just created, and I waited several minutes before attempting to share because I got this error before and thought maybe I tried to share it too soon. on a new list, waiting several minutes got the same error. I click create invitation link again and this time it creates a link, but when I attempt to join the list via that link, I get the same error as above.
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9 answers
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SelAromDotNet 76 Reputation points
2026-01-26T03:52:18.8733333+00:00 this finally started working today. all of yall having issues, give it another try, perhaps they have resolved the issue.
I'm still salty about it, but glad to finally be back in business, thanks for the help and support everyone!
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Michael Vernor 0 Reputation points2026-01-14T18:02:21.4966667+00:00 I am seeing the same problem with business users on a paid Microsoft 365 subscription. Noticed it on 1/7/26 and still seeing the same error.
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Hakem Zaalouki 0 Reputation points2026-01-10T01:22:09.25+00:00 I have the same problem
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JLA1420 0 Reputation points2026-01-09T06:50:16.7533333+00:00 Exact same problem. My spouse, too.