No more lingering attachments
With the Trebuchet Microsoft® Outlook® add-in you can send email attachments with full end-to-end encryption and complete privacy and peace of mind.
A simple click automatically converts your file attachments to a secure sharing link.
Supports Outlook on Windows, Outlook on MacOS and Outlook on the Web.
Installation For M365 Administrators
M365 Administrators can deploy the add-in automatically for all users using Microsoft 365 Centralized Deployment.
- Visit the M365 Exchange Admin Center
- Add a new Add-in, selecting 'Add from URL'
- Enter the manifest URL: https://app.trebuchet.me/api/office_manifest.xml (note for Enterprise customers replace 'app.trebuchet.me' with the root of your Trebuchet domain)
Installation For Individuals
Individuals can install the Outlook add-in for their email account. The add-in will then be available in the desktop Outlook application and in Outlook on the web.
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Open 'Get Add-ins'. This is in a different place depending on which Outlook you are using:
- Outlook App in Windows: the button is in the ribbon bar at the top
- Outlook App on MacOS: open a new email, and the button is in the menu at the top
- Outlook on the Web: open a new email, and the button is in the menu at the bottom - Select 'My add-ins' in the left menu
- Scroll down to the 'Custom Addins' section
- Select 'Add a custom add-in, selecting 'Add from URL'
- Enter the manifest URL: https://app.trebuchet.me/api/config/office/manifest.xml