ChatGPT Outlook Plugin

Run ChatGPT prompts on Outlook mail, inbox or composing pane

Beginner API
ChatGPT Outlook Plugin

What is ChatGPT Outlook Plugin?

ChatGPT Outlook Plugin is a ChatGPT tool. A Blueberry built Outlook add-in that applies custom ChatGPT prompts to inbox messages and drafts, with part selection, separate output windows and per scenario rule configuration.

ChatGPT Outlook Plugin is a Microsoft Outlook add-in built by Blueberry Consultants that puts OpenAI's ChatGPT to work on the messages already sitting in your mailbox. Instead of copying an email into a chat window, you point a saved prompt at the message itself and read the result without leaving Outlook. The add-in works both on incoming mail in the inbox and on a draft you are composing, so the same prompt library can be reused for triage and for writing. The control it offers goes beyond a single summarize button. Users write custom prompts that define what ChatGPT should produce, then choose which parts of a message get sent: the whole email, the subject, the body only, or attachments. Output can open in a separate window for side by side comparison with the original, or replace the email body outright. Rules can be configured per scenario, with matching conditions deciding when a prompt fires and how its result is displayed. Practical uses named on the site include surfacing important information quickly and adjusting a message's importance or flagging it as high priority based on what the model returns. It fits best inside organisations already committed to Microsoft 365 and to ChatGPT, particularly teams handling high volumes of email where a consistent prompt produces a consistent result. Blueberry also builds custom branded versions: a client supplies the prompt and an API key, the company packages a tailored add-in, and that build can be resold to unlimited users. Custom work is quoted at a fixed price of 4,000 pounds or less, which puts the product somewhere between a free personal utility and a managed enterprise tool. Compare it with general AI writing assistants that bolt onto a browser or a separate app: this one is narrow by design and lives entirely inside the Outlook client, which is an advantage for anyone who does not want mail leaving the mail app. Blueberry is a UK software house founded in 1997 and a Microsoft Partner. The plugin uses ChatGPT technology but is not affiliated with OpenAI or Microsoft.

How do you use ChatGPT Outlook Plugin?

  1. 1Check the add-in suits your setup
    Read the feature page to confirm the prompt, scope and output options match how your team handles email before committing to a rollout.
  2. 2Get the add-in installed in Outlook
    Install the add-in into your Outlook client or 365 domain. For team deployments, contact Blueberry to arrange a rollout across the domain.
  3. 3Supply your OpenAI API key
    Have your OpenAI API key ready, since the add-in runs ChatGPT prompts against your own account rather than a bundled subscription.
  4. 4Write and save your first prompt
    Create a custom prompt describing the summary, highlights or rewrite you want, then save it as a configuration you can reuse.
  5. 5Pick what gets processed
    Decide whether the prompt should read the whole email or only the subject, body or attachments, and set matching conditions for when the configuration applies.
  6. 6Choose how results appear
    Send output to a separate window for comparison or replace the email body, and optionally let the add-in adjust importance or high priority flags from the result.

Pros and cons

Pros

  • Works inside the Outlook client, so mail does not need to be pasted into a separate chat appAI
  • Prompt and processing scope are configurable, letting users target the body, subject, attachments or the whole messageAI
  • Output can be shown in a separate window for comparison or written straight over the original bodyAI
  • Multiple configurations can be stored with matching conditions for different email scenariosAI
  • Blueberry offers custom branded builds with your own prompts that can be resold to unlimited usersAI

Cons

  • Pricing for the standard add-in is not published on the homepage, so buyers must contact Blueberry to get a figureAI
  • You still need your own OpenAI account and API key, which adds a separate cost and setup step on top of the add-inAI
  • Features are tied to Outlook and Microsoft 365, with no equivalent for Gmail or other mail clientsAI
  • The homepage lists no support tiers, documentation or SLA details, so post purchase help is unclearAI
  • No independent security or data handling documentation is offered on the site beyond basic privacy and terms linksAI

How much does ChatGPT Outlook Plugin cost?

Pricing

The homepage does not state a price for the standard add-in. Custom branded builds, where a client supplies the prompt and API key for resale to unlimited users, are quoted at a fixed 4,000 pounds or less. Users also pay OpenAI separately for API usage.

Learn more

Integrations

Built for Microsoft Outlook across inbox reading and composing, with OpenAI ChatGPT providing the language model behind the prompts. Custom versions can be created for a 365 domain.

Features

Custom prompts can be run on inbox messages and drafts, with a choice of processing the whole email or only the subject, body or attachments. Output opens in a separate window or replaces the original body. Multiple configurations can be stored with matching conditions, prompts and display preferences, and results can drive importance changes or high priority flags.

Learn more

Frequently asked questions about ChatGPT Outlook Plugin

  • How much does ChatGPT Outlook Plugin cost?
    The homepage does not state a price for the standard add-in. Custom branded builds, where a client supplies the prompt and API key for resale to unlimited users, are quoted at a fixed 4,000 pounds or less. Users also pay OpenAI separately for API usage.
  • Does ChatGPT Outlook Plugin have an API?
    Yes, ChatGPT Outlook Plugin offers an API.
  • How do you use ChatGPT Outlook Plugin?
    The walkthrough on this page covers 6 steps: 1. Check the add-in suits your setup 2. Get the add-in installed in Outlook 3. Supply your OpenAI API key 4. Write and save your first prompt 5. Pick what gets processed 6. Choose how results appear.
  • What platforms does ChatGPT Outlook Plugin support?
    ChatGPT Outlook Plugin is available on Web App, Windows and MacOS.
  • What does ChatGPT Outlook Plugin integrate with?
    Built for Microsoft Outlook across inbox reading and composing, with OpenAI ChatGPT providing the language model behind the prompts. Custom versions can be created for a 365 domain.
  • What are the limitations of ChatGPT Outlook Plugin?
    Pricing for the standard add-in is not published on the homepage, so buyers must contact Blueberry to get a figure. You still need your own OpenAI account and API key, which adds a separate cost and setup step on top of the add-in. Features are tied to Outlook and Microsoft 365, with no equivalent for Gmail or other mail clients.

Status

StatusActive
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Added10/21/2026

Platforms

Web AppWindowsMacOS

Pricing

FreePaid