Hello @KimF15 ,
There's a known issue where Outlook desktop programs will force the buttons to have squared corners instead of rounded. Our devs are looking into what can be done from our side to address this, but at this time the only "workarounds" to avoid this would be to:
If the issue is occurring on an email program / app other than an Outlook desktop client, please let us know which one and what device types you're replicating the issue on so we can get that info to our devs.
See also:
Display Issues – Why does my email look different when received?
Has there been any update on this issue with the Outlook desktop client and button display?
We haven't really received any additional info on this issue, and we haven't gotten any updates from Outlook on how their program is reading the HTML, so at this time there's no update on the issue.
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