03/03/2025
PSA: Yes, something is broken with Apple Mail and Microsoft email addresses, we've been fielding calls about it all day. Doesn't matter who's at fault, here's the fix:
Download the official Microsoft Outlook app for your platform, works on iPhones and Android (Pixel, Galaxy, etc) without issues, looks very similar to what's on your computer.
For iOS:
https://apps.apple.com/us/app/microsoft-outlook/id951937596
For Android:
https://play.google.com/store/apps/details?id=com.microsoft.office.outlook&pcampaignid=web_share