The average professional spends 2.6 hours a day on email
Handle your Outlook inbox in seconds, not hours
AI built into your Outlook toolbar. Summarize long threads, draft replies, and polish emails — without ever leaving your inbox.
No credit card required · Works in Outlook desktop & web
< 3s
to summarize any thread
5.0 ★
74 ratings on AppSource
64
verified reviews
What changes when you install it
The same tasks. A fraction of the time.
Everything you need to own your inbox
Four tools. One click. Always in your toolbar.
Summarize any thread
Get the full context of a 40-email chain in 3 seconds. No more scrolling, no more re-reading.
Draft replies instantly
Tell it what to say. Get a polished reply in your tone — ready to send in seconds.
Rewrite & polish
Paste any draft. Get a cleaner, sharper, more professional version instantly.
Fix grammar & tone
Sound confident and professional in every email, every time.
Up and running in 30 seconds
No setup. No configuration. No learning curve.
Open any email thread in Outlook
Works with any email — desktop or web.
Click the CoreGPT AI icon in your toolbar
Always one click away, right inside Outlook.
Get your result in under 3 seconds
Summarize, draft, rewrite — whatever you need, instantly.
What Outlook users say
★★★★★5.0· 74 ratingsonAppSourceCore GPT
"It works like a champ boosting productivity — Impressed."
Pedro Furlanetto
Microsoft AppSource
Excellent app
"Helps with writing emails and summaries. Makes life easier — a must have at work."
Abdullah Mandani
Microsoft AppSource
Must have for corporate emails
"Helps with my corporate email threads. Very user-friendly and efficient."
Millien, Victoria
Microsoft AppSource
Common questions
Is it safe to use at work?+
Yes. CoreGPT AI for Outlook is distributed through Microsoft AppSource — the official Microsoft marketplace — and follows Microsoft's security standards for Office Add-ins.
Does it read or store my emails?+
Your email content is sent to the AI model only to generate the response you requested. It is not stored, logged, shared, or used to train AI models.
Which versions of Outlook does it support?+
It works with Outlook on Windows, Mac, and Outlook on the web (OWA). No additional software required.
What happens after the free trial?+
Your trial includes a set of free AI credits to explore all features. After that, you can subscribe to keep full access with no credit limits.
Start saving time today
Takes 30 seconds to install. No credit card required.
Add to Outlook — Free