This guide shows how to deploy the signaturky Outlook add-in to your Microsoft 365 tenant starting from Microsoft Marketplace.
If you prefer manual deployment with a manifest URL, follow Install the signaturky Outlook add-in manually (Microsoft 365 admin center).
Prerequisites
- You have access to the Microsoft 365 admin center with permissions to deploy Integrated apps (typically Global Admin or a role that can manage add-ins).
- You have installed signaturky and already accessed the web application.
Step-by-step deployment
1) Open the add-in in Microsoft Marketplace
Open the signaturky Outlook add-in page in Microsoft Marketplace.
2) Click “Get it now”
On the Marketplace page, click Get it now.

3) Confirm in modal window
In the modal window, click Get it now again.

This redirects you to Microsoft 365 admin center to continue deployment.
4) Assign users
On the Users step, select Entire organization, then click Next.

5) Accept permission requests
On Accept permissions requests, review the permissions and proceed by clicking Next.

6) Review and finish deployment
On Review and finish deployment, confirm the settings and click Finish deployment.

After deployment
The add-in may take some time to appear for users in Outlook (from 6 up to 72 hours to complete), depending on Microsoft 365 propagation. Users will begin receiving signatures once add-in appears in the Outlook apps.