Outlook: Install Secured Signing Plugin on Microsoft Outlook Online

(This guide is also available in video format here)

Step 1: Open Outlook Online version

Open Outlook online in web browser (you must already login in Office365 account)


Step 2: Open “Settings” on Outlook Online

  1. Click Settings icon to load settings on right side bar.
  2. Click Manage add-ins link to load Add-Ins popup.

Step 3: Find/Add Secured Signing plugin

  1. Type secured signing in the search box and press Enter.
  2. Then in the filtered list, you can find Secured Signing for Outlook, click Add button.
  3. At last, please click Close button to return back.

Step 4: Added Secured Signing plugin

Now Secured Signing for Outlook plugin has been successfully installed.
Please go to any email, the plugin icon will show on top right corner.

Do you need anything else?