Exclaimer Outlook Add-in Version Release History

13/05/2025
Production

12/05/2025
Preview

1.25.200

• Fixed issue where the Add-in signature was altered when an email was saved as a draft and reopened.
• Updated notification message for Rich Text Format messages. The signature will still be inserted.

06/05/2025
Production

02/05/2025
Preview

1.25.100

Fixed issue with extra spacing when composing messages in New Outlook or Outlook on the Web.

29/04/25
Production

25/04/25
Preview

1.25.0

Fixed issues in the latest updates for Outlook, web, and Mac:

• The signature no longer changes size while typing.
• Scaling issues that occurred when the recipient viewed the message on a mobile device have been addressed.

22/04/2025
Production

02/04/2025
Preview

1.24.0

• New sign-in request form.
• Improved error message when legacy authentication token fails.
• Fixed issue when sending email to a contact group.
• Fixed an issue where a signature would be applied to an RTF email.   

03/03/2025
Production

24/02/2025
Preview    

1.23.2

• Security updates.

17/02/2025
Production

04/02/2025 
Preview

1.23.1

• Fixed authentication issues using new NAA tokens.
  
  
• Fixed an issue where user selected defaults were always applied regardless of rules. The defaults will now be applied based on configured rules.
  
  
• Updated the geolocation URL: https://outlookclient.exclaimer.net/cloudgeolocation
  
  This is used to determine the correct region for the Exclaimer subscription. This update is necessary following the retirement of retirement of the Azure CDN from Edgio.

1.22.0

Automatic 

• Product Survey.

1.20.0

Automatic 

• Added support for Recipient rules for mobile devices.

1.19.100

Automatic 

• Security updates.

1.19.0.25

Automatic 

• Fixed the issue when using a personal signature on an alternative account.

1.18.0

Automatic 

• Fixed an issue with the caching of old styling data.

1.17.0

Automatic 

• Added feature: Personal signatures for shared mailboxes.

1.16.0

Automatic 

• Fixed this error: "We were unable to sign you into Microsoft due to a time out." 

1.15.0

Automatic 

• A JavaScript version number has been added into the task pane of the Add-in; this will help to identify if the individual user is not running the latest version.

1.14.0.20

Automatic 

• Logs the version number and channel of the Add-in used.

1.13.100

Automatic 

• Fixed an 'operation failed' error that occurs when creating an email by sharing a document in MS Office.

1.12.300.3

Automatic 

• Removed registration of OnMessageSend events to improve reliability.

1.12.200.8

Manual 

• Fixed security warning.
  
  No changes have been made to the Add-in functionality. 

1.12.100.72

Automatic 

• Bug fixes for error messages similar to:
  "Exclaimer is unavailable"
  "Add-ins are still running on this message"
  "Exclaimer is preventing this email from being sent"
  "Exclaimer add-in is taking longer than expected"

1.11.0

Automatic 

• Maintenance update.

1.10.200

Automatic 

• The Outlook Add-in name has been renamed to 'Exclaimer' (previous name was 'Exclaimer'). This change will be rolling out through the Microsoft Store over the next few days.

1.10.0.21

Automatic 

• The Outlook Add-in task pane can now be pinned so that it opens when emails are composed and replied to.

1.9.0

Automatic 

• Logging improvements.

1.8.300

Automatic 

• Text changes.

1.8.100

Automatic 

• Add-in updates default signature when 'From' address changes.*

      *Requires Outlook Version 2304 (Build 16327.20248) or above.

1.7.0

Manual 

• Add-in supports default signatures on Outlook for Android (not yet available).

1.6.200

Automatic 

• Fix for cached logo image.

1.6.100

Automatic 

• Updated logo.

1.5.400

Automatic 

• Security enhancements.

1.5.300.30

Automatic 

The following has been resolved:

• Web-hosted images were not displayed in the preview of the signature.
• When forwarding an external meeting request, the add-in shows "domain is not an Exclaimer Customer"

1.5.0

Automatic 

The following has been resolved:

• A Client-Side signature which is set as default will not be replaced if there is no other signature with default settings enabled.

Automatic 

• Add-in supports default signatures for Outlook Desktop*
  
  *Requires Outlook Version 2110 (Build 14527.20226) or above

1.1.0

Automatic 

• Add-in supports Outlook Desktop