Install the add-in (manifest)
SigHQ applies signatures through an Outlook add-in. You deploy it once, organisation-wide, by giving Microsoft 365 your SigHQ manifest URL.
Install
Section titled “Install”- In SigHQ, open Deploy and copy the Manifest URL.
- In the Microsoft 365 admin centre, go to Settings → Integrated apps.
- Choose Upload custom apps, select Provide link to manifest file, paste the URL and validate it.
- Choose who gets the add-in (everyone, or specific users or groups) and finish the wizard.
How long does it take?
Section titled “How long does it take?”Allow up to 24 hours for the add-in to appear on all devices. Outlook on the web and new Outlook usually pick it up within minutes to a few hours. Outlook mobile can take longer. The delay only applies to the add-in itself. Signature changes you publish in SigHQ take effect immediately.
Supported Outlook clients
Section titled “Supported Outlook clients”New Outlook for Mac and Windows, Outlook on the web, and Outlook on iOS and Android. Classic Outlook on Windows is not supported.
Updating
Section titled “Updating”When SigHQ releases a new add-in version, submit the same URL again. Microsoft 365 pulls the latest manifest.
Nothing is inserted into people’s emails until you go live.