2025-09-05
🔗 New release v4.22.0
More Outlook add-in customization
The v4.22.0 release brings major changes and customization features to the Outlook add-in:
Custom rules can now set a completely customized signature body using the new 'customRulesResultSignatureBody' property, available for Exchange Online. Added 'graphAccessToken' and 'graphApiEndpoint' properties to custom rules, allowing direct querying of the Graph...
2025-08-19
🔗 Signatures for Send As and Send on Behalf
How do you deploy signatures for Send As and Send on Behalf scenarios?
You want to assign signatures to mailboxes or distribution lists that users don't add to Outlook, but use by selecting a different "From" address with Send As or Send on Behalf rights?
With Set-OutlookSignatures, this is straightforward...
2025-08-15
🔗 New release v4.21.0
New features for the Outlook add-in
New launch events and custom code support:
React to launch events OnMessageRecipientsChanged and OnAppointmentAttendeesChanged. Allow adding custom code to the add-in so you can directly influence which signature it will set. For example, you can set a specific signature… …when there are only internal...
2025-08-12
🔗 New hotfix release v4.20.4
Addressing changes in Microsofts roaming signatures API
Add workaround for Microsoft internal problems with roaming signatures API, which would result in the following error when uploading roaming signatures to mailboxes which are not the one of the logged-on user (especially in SimulateAndDeploy mode). The log would contain the error 'The...
2025-08-11
🔗 Centralized signature management: Cost center or opportunity?
Many assume that managing email signatures only makes sense for large enterprises
But the numbers tell a different story.
Let's break it down:
Average employee cost: €0.55 per minute (based on €60,000 per year for 1,800 hours) 1 device, 2 signatures 2 updates per year 3 minutes per update That's...