# Installing the outlook plugin

To install the plugin programmatically, you must first install its dependencies:

Pre-requisites can be downloaded here: Microsoft VSTO tools (opens new window) Microsoft .NET framework (opens new window).

In addition, the Seald signature certificate must be added to the list of trusted publishers. The certificate can be downloaded here.

# Adding the Seald signature certificate
certutil -addstore TRUSTEDPUBLISHER "plugin-cert.cer"
# Quiet installation of plugin utilities
.\vstor_redist.exe Setup /q /norestart
# For Windows versions before 10, it is necessary to install the.NET 4.7 framework
.\NDP472-KB4054530-x86-x64-AllOS-ENU.exe Setup /q /norestart

The plugin installation is done using the VSTOInstaller.exe program provided by Microsoft.

"%CommonProgramFiles%\Microsoft Shared\VSTO\10.0\VSTOInstaller.exe" /s /I https://api.seald.io/outlook-v2/SealdOutlookPlugin.vsto # silent installation command for the outlook plugin


Note: you must use the 32 or 64-bit version of the installer corresponding to the installed version of Outlook. In the case of a 64bit version of Outlook, the installer to use is in %CommonProgramFiles(X86)%.

Detailed installation documentation is available here.