Annoyed with US-English spell checking in Outlook? - Simply change the “Proofing Language”!

This is very easy to do and will only take you but a moment:

• Compose a new email;
• open Review tab;
• and from the “Language” dropdown, then;

1. select “Set Proofing Language”. Choose English (UK);
2. and click “Set As Default” at the bottom; 
3. sit back and enjoy!