Hi Judy R, and welcome to SevenForums
First click the
Blue Dropdown bar and select
Options and then
Mail.
In the Window that opens click the
Spelling Tab at the
Top Right.
You can then adjust it to your liking, Install and Uninstall Spelling Languages, and Edit the Spelling Dictionary, you just want to select these under
Settings:
Always check spelling before sending
Automatically correct common capitalization and spelling mistakes
Check spelling as I type
Check spelling in my current input language.
After selecting these press
OK and you should now have Spell-Check Enabled.