Download and Install the Harvey for Outlook Add-In
Learn how to install and sign in to the Harvey for Outlook add-in.
Last updated: Oct 22, 2026
Overview
The Harvey for Outlook Add-In brings Harvey into your Outlook account so you can work with Harvey directly from your email. Setting it up is a two-step process: first you install the Harvey for Outlook add-in, then you launch it from an open email thread.
This guide walks you through installing the add-in on Outlook on the web and the Outlook desktop app, then launching and signing in to Harvey so you can start using it from your email.
It also details how to turn on full inbox search, an optional feature that lets you connect your Outlook inbox to the Harvey web app to search your emails as a source.
Install the Harvey for Outlook Add-In
There are two ways to install the Harvey for Outlook add-in into your Outlook account:
- Via Outlook on web
- Via the Outlook desktop app
Install on Outlook from the Web
- Go to Outlook’s app store, then search for “Harvey” and select the add-in.

- Select Add to proceed.
- Follow the instructions below on launching the Harvey for Outlook add-in to enable Harvey as you work.
Install on Outlook's Desktop App
- From Outlook’s desktop app, select the ellipsis menu (…) from the header menu, then select Get Add-ins.

- Search add-ins for “Harvey,” then choose the Harvey for Outlook add-in.
- If search is not an option for you, navigate to the left side menu and select Admin-managed to check if Harvey is available there.
- Select Add to proceed.
- Follow the instructions below on launching the Harvey for Outlook add-in to enable Harvey as you work.
Launch the Harvey for Outlook Add-In
Important: You must open an email thread to enable the add-in.
- Open the email thread you want to use Harvey with.
- Launch the Harvey for Outlook add-in from the desktop or web.
- Using Outlook on the web:
- Click the apps icon, then select Harvey for Outlook.

- Using the Outlook desktop app:
- Harvey may already be available in your toolbar. If not, click the ellipses to expand the toolbar. You can choose customize toolbar to move Harvey within your static toolbar actions. When you open Harvey for Outlook, use the pin icon to keep it open while navigating between emails and avoid being logged out.

- Select Get Started to log into Harvey and begin using it on the opened email.
- A pop up prompting you to complete the integration should appear. Select Connect Outlook to give Harvey for Outlook permissions to read your mail, sign you in, read your profile, and maintain access to data.

Turn On Full Inbox Search
Important: Your workspace admin must first approve and enable Full Inbox Search for the workspace before you can use this feature. Once it’s enabled, you must connect your personal Outlook email to use it.
There are two ways to enable full inbox search for your Outlook inbox:
- Via the Outlook connector within your Personal Settings
- Via the Harvey for Outlook Add-In
Turn On Full Inbox Search From Personal Settings
- At the bottom of Harvey’s sidebar, select your name or email.
- In the popover, select
Personal Settings.
- Select
Connectors.
- Select the Outlook connector.
- In the API Integration field, select Sign in.
- Complete the authorization steps to enable the feature.

Turn On Full Inbox Search From the Harvey for Outlook Add-In
- Open the Outlook add-in.
- In the Outlook panel on the right, you’ll see one of two options:
- If your workspace has already enabled the Outlook connector: Select Connect Outlook to sign in to your Outlook email and authenticate.

- Once Outlook has been connected, select Continue.

Once the full inbox search feature is enabled, you can ask Harvey to search your mailbox or locate a specific email. For example: "Find all emails from opposing counsel this month mentioning the indemnification cap." Harvey returns results with citations and direct email links.
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