Where is spell check in PantherMail/Office 365?

Spell check is performed in Panthermail/Office 365 through the browser you are using.

You should be using the most up to date browser in this case. 

• The browser will automatically check your spelling.
• If you have a misspelled word, a red line will appear under the word.
• Right click on the word to get a list of correct spellings to choose from.