2025-07-17
🔗 New hotfix release v4.20.3
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...
2025-07-15
🔗 Why does text sometimes turn blue instead of staying black?
Ever noticed your email signature text mysteriously changing color, especially in replies or forwards?
Here's what's going on: By default, Outlook uses black text for new emails and blue text for replies and forwards. These defaults also apply to signatures - sometimes by design, sometimes by surprise.
There are two...
2025-07-08
🔗 New hotfix release v4.20.2
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
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
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,...