"The properties of the message have been changed" prompt when forwarding/replying in Outlook

Anonymous
2021-05-21T21:28:23+00:00

When users open a message in its own window that has a pdf attachment and replies or forwards the message; when they close the original window, outlook prompts "The properties of the message <email_subject> have been changed. Want to save your changes to this message?"

Steps to recreate this issue:

  • Message must have pdf or txt attachment
  • Open the original message in its own window
  • Reply-to or forward the message
  • Closing original message that was previously opened in its own window

Attempts to disable add-ins or running outlook in safe-mode do not resolve this issue.

Outlook | Windows | Classic Outlook for Windows | For home

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

0 comments
Answer accepted by question author
Anonymous
2021-06-16T08:16:59+00:00

Hi All，

First, apologize for the inconvenience caused by this problem in Outlook Client. Microsoft has realized this issue and the dedicated outlook teams are working on this problem to fix it. It is a known issue in the current Outlook Clients, and a fix will be released to Office version 2106 on 2021/6/17. For the affected users please navigate to Outlook Web App as temporary workaround and wait for the new fix release with some more patience, thanks. For more details, please refer to "The properties of the message have been changed" prompt when forwarding/replying in Outlook.

Thanks for your understanding and patience.

Best Regards,

Oliver

Was this answer helpful?

20+ people found this answer helpful.
0 comments

157 additional answers

Sort by: Most helpful
Most helpful Newest Oldest
  1. Anonymous
    2021-06-11T15:23:43+00:00

    I've tried all the ideas posted in this thread and no luck. I know that if I uncheck the option to close the original and recheck it, I get just one reply where it works as it should, but then it goes back to getting the error about the email has been changed.

    What I just noticed when talking to our IT guys, is that every time I reply to an email, it is saving a copy in the draft folder. I had a ton of emails in there! Anyone else have that happening as well?

    Was this answer helpful?

    0 comments
  2. Anonymous
    2021-06-11T10:54:31+00:00

    I am having the same issue with 365. It only started a few days ago, but now it is consistent.

    Was this answer helpful?

    0 comments
  3. Anonymous
    2021-06-11T10:48:33+00:00

    We also have the same issue and it is becoming very frustrating!

    Was this answer helpful?

    0 comments
  4. Anonymous
    2021-06-10T19:25:45+00:00

    Yes, just found that this morning, trying to forward calendar invite fails.

    Was this answer helpful?

    0 comments