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Client-Side signatures not applying when replying to downloaded .eml files in New Outlook

  1. Exclaimer Knowledge Base
  2. Solutions
  3. Applying Signatures
Ari Flavell
  • Updated

Scenario

You are using New Outlook and downloading .eml files either from Outlook or a CRM system. When you try to reply to these emails, Client-Side signatures are not applied. 

Reason

This is a known limitation in New Outlook, confirmed by Microsoft to be behaviour by design. 

When .eml files are opened outside of the mailbox context (for example, directly from disk), Outlook add-ins that require Office.js may not initialize. As a result, the Exclaimer Outlook Add-In cannot load and apply Client-Side signatures.

Resolution

To apply Client-Side signatures when using .eml files, use the file from within your mailbox, allowing the Add-In to initialize. 

To handle .eml files in the Outlook mailbox:

  1. Drag and drop the .eml file into a folder in your Outlook mailbox, such as the Inbox. 
     
  2. Open the email from within that mailbox folder.
     
  3. Reply or forward the email as normal. Client-Side signatures should now apply.