Outlook
Sideload the add-in. Keep writing in Outlook.
Passive check. Unsigned mail stays quiet. A warning pops only when a seal is broken, replayed, or revoked. This pane is not a composer. Checkout is not live. Recipients who never sideload still use the live check.
Not AppSource
Signet7 desktop on named work emails
- Save manifest.xml, then add it in Outlook.
- In Outlook, sideload that manifest. Not AppSource. Org-wide push is a Microsoft 365 admin task.
- Read mail as usual. Ordinary mail stays quiet.
- Anyone else: verify.signet7.io/email/verify. No account. No install.
Files on this host: taskpane.html · compose.html · manifest.xml. Handbook: docs.