New hotfix release v4.20.3

Fixes for PowerShell quirks and SimulateAndDeploy

2025-07-17

🔗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 SMB paths with relative parts to absolute paths in the MSAL.PS module.

For a comprehensive list of all changes, dependencies, and fixes, please consult the official CHANGELOG.

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Email signatures and out-of-office replies may seem minor, but think about how often people see them.

We help organizations centrally manage and standardize these touchpoints across all users — unified Outlook branding everywhere, with zero external data exposure. No manual effort, no inconsistencies, no data leaving your environment. With Set-OutlookSignatures, every email becomes a consistent, secure, and fully controlled brand experience.

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new release

 

2026-08-19

🔗 Signatures for Send As Permissions

Deploy Outlook signatures for Send As and Send on Behalf scenarios, including shared mailboxes, distribution lists and delegated identities.

2026-08-12

🔗 How to Prevent Outlook Signature Changes

Limit Outlook signature editing and enforce the correct signature across all Outlook clients at send time.

2026-07-29

🔗 Delegate Out-of-Office Management with Exchange RBAC

Delegate mailbox automatic-reply management through scoped Exchange RBAC roles without granting broad administrative access.