Exclaimer Client-side Signature Agents

Welcome

If your organisation is subscribed to Exclaimer with Microsoft 365 and wishes to use Client-Side signatures, the deployment options are found below. Please select the one suited best to your environment or deployment method and follow the installation instructions.

Outlook Add-in (recommended)

Suitable for

Desktop Outlook and OWA

Individual, Group or Full Tenant deployments from the Microsoft 365 admin console.

Version

1.25.400

Requirements

Software:
  • Windows 10 or above
  • Outlook for Microsoft 365*
  • Outlook Web
  • Office for macOS 16.64 (22081401)
  • Microsoft 365 Mailbox
Permissions
  • Microsoft 365 Admin
Install from App Store >
*Minimum version requirement for Outlook on Windows:
  • Microsoft 365 Subscription - Version 2409 (Build 18025.20000)
  • Retail Perpetual Outlook 2016 and later - Version 2501 (Build 18429.20132)
  • Volume-licensed perpetual Outlook 2024 - Version 2408 (Build 17932.20222)

Installation

To allow your users to apply signatures using the Outlook Add-in please install the add-in through the Exchange Admin Center.

Full installation instructions can be found here

We recommend you verify that your organization's network security policies permit access to the ports and URLs used by Exclaimer. See Ports and URLs used by the Exclaimer Outlook Add-In for more info.

Desktop Agent (Windows)

Suitable For

Desktop Outlook on Windows machines only.

Local installation, CMD Script or Group Policy.

Version

1.21.0

Requirements

Software:
  • Windows 10 or above
  • Outlook 2016 or above
  • .NET Framework 4.6.2 or above


Permissions (Per User):
  • Local Installation Rights
Permissions (All Users):
  • Domain Administrator (MSI Only)

Installation Guide: Follow the step-by-step instructions in our installation guide.

We recommend you verify that your organization's network security policies permit access to the ports and URLs used by Exclaimer. See Ports and URLs used by the Exclaimer Cloud Signature Update Agent for more info.

Note: The click-once version of the Cloud Signature Update Agent is now discontinued. We recommend switching over to the MSI version or the Outlook Add-in.