2025-08-12
🔗 New hotfix release v4.20.4
Addressing changes in Microsofts roaming signatures API
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...
2025-07-17
🔗 New hotfix release v4.20.3
Fixes for PowerShell quirks and SimulateAndDeploy
Fixes for PowerShell quirks and SimulateAndDeploy
Add a workaround for PowerShell 5.1 not correctly converting arrays to JSON when passing them via the InputObject parameter. (#136) Fix Set-OutlookSignatures quitting with exit code 14 when using it in SimulateAndDeploy mode for Exchange Online. Add a workaround for PowerShell not reliably resolving...
2025-07-08
🔗 New hotfix release v4.20.2
Update handling of the '@' character in signatures names
Update handling of the '@' character in signatures names
Microsoft no longer allows '@' in roaming signature names as it is reserved for internal use, and Microsoft Outlook will follow soon.
This hotfix addresses this change as follws:
Add '@' to the list of invalid characters for signatures names as...
2025-06-26
🔗 New hotfix release v4.20.1
Corrections for cleaning up signatures
Corrections for cleaning up signatures
This hotfix resolves issues with the parameters DeleteScriptCreatedSignaturesWithoutTemplate and DeleteUserCreatedSignatures.
While DeleteScriptCreatedSignaturesWithoutTemplate did not delete obsolete signatures, the same error in the code caused DeleteUserCreatedSignatures (disabled by default) to delete even non-user signatures.
A comprehensive list of all changes, dependencies, and bug fixes can be...
2025-06-18
🔗 New release v4.20.0
Cross-tenant access and Multitenant Organizations
Cross-tenant access and Multitenant Organizations
The need for cross-tenant mailbox access—whether for a merger, acquisition, or complex organization—breaks most traditional signature solutions. Why? Because their architecture simply can't handle it. Set-OutlookSignatures solves this. Rleease v4.20.0 introduces full cross-tenant support that works seamlessly.
Encoding detection
Ever since IT came into existence,...