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System Requirements for Exclaimer

  1. Exclaimer Knowledge Base
  2. User Manual
  3. Settings
Payal Arya
  • Updated

See below Exclaimer's compatibility with a range of different servers, plans and email clients:

Plans

Microsoft 365 Plans

  • Microsoft 365 Business Basic
  • Microsoft 365 Business Standard
  • Microsoft 365 Business Premium
  • Microsoft 365 E3
  • Microsoft 365 E5
  • Microsoft 365 F3
  • Microsoft 365 GCC
  • Microsoft 365 F3
  • Office 365 A1
  • Office 365 A3
  • Office 365 A5
  • Office 365 E1
  • Office 365 E3
  • Office 365 E5
  • Office 365 F3

Google Workspace Plans

  • Business Starter
  • Business Standard
  • Business Plus
  • Enterprise

Directories

Microsoft 365

  • Microsoft Azure AD

Exchange On-Premises

Google Workspace

  • Google Directory

Server-Side Signatures 

Mail Server Support (Microsoft 365)

  • Microsoft 365 (Exchange Online)

Mail Server Support (Exchange On-Premises)

  • Exchange 2016 CU11 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 

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

  • Microsoft .NET framework 4.6.2 (x86 and x64) 
  • Windows 8 or above:
    • Microsoft Outlook 2016 or above

Mac

  • macOS 10.13 or above

Exclaimer Outlook Add-in (Microsoft 365)

Users whose mailboxes exist in Exchange Online

Mailbox type:

Microsoft 365 mailboxes only

Windows

  • Outlook Version 2104, Build 13929.20296 or above
    • Click to Run (C2R) versions only
    • Subscription and Retail licenses only
      Volume-licensed version is currently not supported.
      NOTE: Specific features may require later versions of Outlook. Refer to the release notes here.
  • Microsoft Outlook Web Access
  • Microsoft Windows 10, Windows Server 2016 or above

Mac

  • Outlook for Mac [version 16.64 (22081401) or above]
    NOTE: Only the New Outlook interface is supported. Go to Outlook > New Outlook to enable it.

Mobile devices

  • Android: Outlook version 4.2314.0 or above
  • iOS: Outlook version 4.2352.0 or above

Micorosft 365 Plan

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

Gmail Signatures (Google Workspace)

  • Gmail (web browser)

Exclaimer portal Web Browser Support

  • Google Chrome 17.x (preferred browser)
  • Internet Explorer 9 or above
  • Mozilla Firefox 10.x+
  • Apple Safari 5 (Mac)
  • Microsoft Edge
  • Opera
WARNING! Exclaimer does not support the following:


Microsoft 365 Plans:

  • Microsoft 365 Personal
  • Microsoft 365 Family
  • Microsoft 365 Apps
  • Microsoft 365 GCC High
  • Microsoft 365 DOD
  • Microsoft 365 Apps for enterprise
  • Microsoft 365 A1
  • Microsoft 365 F1
  • Enterprise Mobility + Security E3
  • Enterprise Mobility + Security E5

Google Workspace Plans:

  • G Suite Basic
NOTE: You'll need to complete the onboarding and configuration process for Exclaimer and, as part of this, provide credentials for a Microsoft 365 Global Administrator account or a Google Workspace Super Admin account, depending on the email service you use.