How To Prevent Enter Key From Sending Chat Message

No, I don't see an A next to a pen anywhere. The symbol you are talking about is that of the upload icon that looks like this:

I don't know how you could mistake that for an A unless you are using some none standard interface that can't handle all the icons on some nonstandard version of an OS that can't handle icons. Or you need to update your system,

So the next time you want to answer a question you need to:

1-Avoid ANY using technical jargon.
2-Consider attaching a screenshot
3- specify the specification under which the screenshot was taken, i.e.: OS, Character especially when it is not standard.

You would have saved yourself a lot of frustrated responders.
So you may want to edit your answer now.

BTW, it is almost the perfect solution but still the expectation is something in the setting as in other webwares.

Do not assume that the person you are talking to is stupid, just because you can not find/see what this person is talking about.

Do not try to patronize me !

I am a standard user trying to point out that there is a workaround and I did not use technical jargon.

Like the majority of Teams users, I use the app installed on a Windows PC . I don't think I need to give my Windows version, PC brand and serial number, etc... when the person who initially asked the question did not specify anything.

If you don't like my post, jut read the next one, I am not going to edit it mine. I will simply add a screenshot here to show you where the A with a pen is 😉

This was super helpful, shift / enter! brilliant!!

Right. Because having a feature that most other chat software does would make TOO MUCH SENSE. Better that we request it for a few years and see if someone gets around to it.