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Can no longer attach documents to tasks in Outlook

Dom 956 Reputation points
2026-05-15T16:19:57.3366667+00:00

This started happening two days ago. I try to attach a document in the body of a Task (Outlook 365 - Classic - Desktop - Windows 11) and nothing shows up. It appears that there is a "place holder" in the task but it is invisible and you cannot click on it or open it. In the Task View, there IS the little paper clip indicating that there is an attackment but again, there is not anything you can open.

I need to be able to attach documents to my tasks. I've already done a FULL Online repair to Office but this did not resolve the issue. Please advise how to resolve this issue. See screen shots for reference.

  • Task View indicates the attachment
    • User's image
  • When you open the task and click in the upper corner where the attachment should be, it "selects" the imaginary placeholder and you see these three lines.
    • User's image
  • If you drag the mouse over this placeholder, it appears highlighted and this is shown:
    • User's image
  • If you then hit backspace, the place holder appears to get deleted and disappears.
    • User's image
Outlook | Windows | Classic Outlook for Windows | For home
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  1. Diane Poremsky 8,175 Reputation points Independent Advisor
    2026-05-15T19:36:19.34+00:00

    If you click on the 1 px block, you can open the attachment.

    It's a bug in RTF formatting (contacts, and RTF mail or calendar events also affected). Microsoft is aware of the bug - the preview and beta channels had the bad update rolled back, but if using current channel, the fix will be out soon. Sorry.

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