What ChatGPT for Outlook is
An Outlook add-in that puts AI into the email itself. It suggests replies for messages in your inbox and helps draft new ones, with custom prompts so the output matches how you or your team write.
It is a workflow plugin rather than another chat window.
What you can do with it
- Generate reply suggestions for incoming mail
- Draft a new email from brief notes
- Expand short points into a complete message
- Adjust tone for different colleagues or customers
- Set prompts so replies follow a house style
Who it is for
- Sales, customer service, recruitment and admin staff
- Anyone handling a high volume of business email
- Teams wanting consistent phrasing in written replies
What to watch out for
- Quality depends on the context you give it, and it cannot judge commercial risk for you
- Contracts, quotes, legal terms and sensitive messages need a person before sending
- Organisations with strict plugin policies should clear IT and compliance first
- Do not let it send automatically on anything that carries a commitment
Pros & cons
✓ What we like
- Works where the email already is
- Custom prompts keep output consistent
- Speeds up repetitive replies
- Good for second-language writing
! What to watch out for
- Needs human review on commitments and pricing
- Plugin approval may be required at work
FAQ
What does it solve?
The time spent replying, rewriting and drafting email, by working inside Outlook.
Can it reply automatically?
Not advisable. Anything involving commitments, prices, legal terms or sensitive content should be confirmed before sending.
What are custom prompts for?
Setting a usual tone, reply structure or brand phrasing so results match how you work.
Last reviewed: 2026-09-15
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