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Outlook Extension

The Retyc extension for Outlook lets you send large files directly from your email client. Files are encrypted client-side and uploaded directly to Retyc — they never go through Outlook attachments.

The extension is open source: github.com/retyc/retyc-outlook-plugin

Compatibility​

  • Outlook on the web (OWA / Microsoft 365)
  • Outlook 2016 or later (Windows and Mac)

Installation​

1. Open the add-ins manager​

In the email compose window, click the Apps button in the toolbar, then click Get add-ins at the bottom of the panel.

Apps button in the Outlook toolbar

2. Search for Retyc​

In the search bar, type Retyc and click on the result.

Searching for Retyc in AppSource

3. Install the extension​

On the extension page, click Add.

Retyc extension page on AppSource

The Retyc extension now appears in the Apps panel.

Retyc icon in the Apps panel

First login​

Click Retyc in the Apps panel. The login window opens:

Retyc login window

Click Log in. Then click Open sign-in page to open the authentication page in your browser, and enter the code displayed.

Retyc authentication — code to enter in the browser

Usage​

Click Retyc in the Apps panel to open the transfer panel. Add your files, enter the recipient's email address, then click Encrypt & insert Retyc link.

Retyc transfer panel

Files are encrypted client-side and uploaded to Retyc:

Encryption and upload in progress

Once the transfer is ready, a secure link is automatically inserted into your email body. Click Send in Outlook to deliver it.

Retyc link inserted in the email — transfer ready