Signature 365 Outlook Add-in Manifest versions - Signature 365

The following article details release notes for the Outlook Add-in manifest versions.

Version 3.0

Implemented NAA Authentication and updated Entra ID permissions to support NAA

Version 2.0

Added configuration for SSO authentication in add-in when supported by Microsoft.

Version 1.8

Added support for signature injection in Outlook appointments

Version 1.7

Added support for mobile form factors

Installation source and version details supplied to diagnostics pane

Added "Supports shared folder" declaration

Version 1.5

Added declaration for "From" event triggers

Version 1.4.0

Added event declaration for appointments

Version 1.3.9

Updated numerous texts and support links

Version 1.3.0

Added support for Task Pane pinning

Version 1.2.0

Increased Minimum Outlook API requirement set to 1.3

Version 1.1.0

Updated internal URL structure of hosted files

Signature 365 Exchange Mailbox support

Check Signature 365 add-in and agent support across Exchange Online, on-premises, and Outlook platforms.

Signature 365 ports and URLs

Allow the required Signature 365 URLs, regional hosts, and HTTPS connectivity for portal, add-in, and agent services.