Check which Microsoft 365 and Google Workspace plans are supported and which are not for Exclaimer:

Category Plans
Supported Email Platforms Microsoft 365 Plans: Business Basic, Business Standard, Business Premium, E3, E5, F3, GCC, Office 365 A1, A3, A5, E1, E3, E5, F3

Google Workspace Plans: Business Starter, Business Standard, Business Plus, Enterprise, G Suite Basic
Unsupported Environments Microsoft 365 Plans: Personal, Family, Apps, GCC High, DOD, Apps for enterprise, A1, F1, Enterprise Mobility + Security E3, Enterprise Mobility + Security E5

G Suite Basic

Check the system requirements for setting up and using Exclaimer, including directories, signature deployment options, client-side tools, and browsers:

Exclaimer requires access to the following supported directory services to sync user information:

Microsoft 365

  • Microsoft Azure AD

Exchange On-Premises

Google Workspace

  • Google Directory

Server-Side Signatures deployment

To use server-side signatures, the following requirements must be met:

Mail Server Support (Microsoft 365)

  • Microsoft 365 (Exchange Online)

Mail Server Support (Exchange On-Premises)

  • Exchange 2016 CU18 and above
  • Exchange 2019 CU1 and above

Mail Server Support (Google Workspace)

  • Google Workspace

Mail Client Support

  • All Standard mail clients supported

Client-Side Signatures deployment

Client-side signatures require one of the supported Exclaimer client-side solutions listed below.

Exclaimer Signature Update Agent (Microsoft 365 and Exchange On-Premises)

The Exclaimer Signature Update Agent is supported on Windows devices that meet the following requirements:

Windows

  • Microsoft .NET framework 4.6.2 (x86 and x64)
  • Windows 10 or above:
    • Microsoft Outlook 2016 or above

Exclaimer Outlook Add-in (Microsoft 365)

The Exclaimer Outlook Add-in requires a supported Outlook version and Microsoft 365 mailbox:

Users whose mailboxes exist in Exchange Online

Mailbox type:

Microsoft 365 mailboxes only

Windows

  • Outlook on Windows (Microsoft 365 Subscription) [version 2409 (Build 18025.20000)]
  • Outlook on Windows (Retail Perpetual) [version 2501 (Build 18429.20132)]
  • Outlook 2024 on Windows (Volume-licensed perpetual) [version 2408 (Build 17932.20222)]
  • Microsoft Outlook Web Access
  • Microsoft Windows 10, Windows Server 2016 or above
  • Microsoft Edge WebView2

Mac

  • Outlook on Mac [version 16.89 (24090815) or above]
    NOTE: Only the New Outlook interface is supported. Go to Outlook > New Outlook to enable it.

Mobile devices

  • Outlook on Android: Outlook version 4.2433.0 or above
  • Outlook on iOS: Outlook version 4.2433.0 or above

Microsoft 365 Plan

Your Microsoft 365 plan must allow access to deploy Microsoft 365 Apps through Microsoft AppSource. Certain plans, such as Office 365 E2, subscriptions purchased via GoDaddy do not support this.

Gmail Signatures (Google Workspace)

  • Gmail (web browser)

Supported browsers

The Exclaimer portal is supported in the following web browsers.

  • Google Chrome 17.x (preferred browser)
  • Internet Explorer 9 or above
  • Mozilla Firefox 10.x+
  • Apple Safari 5 (Mac)
  • Microsoft Edge
  • Opera

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