Install the Atvero Mail Plugin

Follow the steps below to install the Office.js plugin using the integrated app mechanism in the Office 365 admin:

1. Download the Office.js plugin package.
2. Download the Office.js plugin package with File On Send.
3. Sign in to your Office 365 admin account.
4. Go to the Admin center.
5. Navigate to the Settings section.
6. Click on Integrated apps depending on your Office 365 version.
7. Click on "Upload custom apps"
8. Select the Office Add-in type
9. Upload manifest file (.xml) from device and the select the plugin package downloaded in the first step
10. Follow the on-screen instructions to complete the installation.