Outlook Tab Within Teams - No Spell Check
When using the web version of Outlook as a tab within Teams, spell check is not available. The recommendations posted here don't resolve this issue: https://support.office.com/en-us/article/how-do-i-check-spelling-in-outlook-on-the-web-e1a30307-d751-4ce2-8eb3-b00d72cde1c5.
Jake Edwards commented
This is the same underlying issue reported as a bug here: