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.

Outlook: Install Secured Signing Plugin on Microsoft Outlook Desktop

(This guide is also available in video format here)

Step 1: Open Outlook Desktop version

Open Outlook Desktop version in your Windows/Mac


Step 2: Click Get Add-ins button.

In Home tab > Click Get Add-ins button to load Office Add-ins store.


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 icon 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.

Outlook: Uninstall Secured Signing Plugin on Microsoft Outlook Desktop

(This guide is also available in video format here)

Step 1: Click Get Add-ins button

In Home tab > Click Get Add-ins button to load Add-ins popup.


Step 2: Confirm removing action

  1. Go My add-ins tab
  2. You can see installed plugin – Secured Signing for Outlook
  3. Click  to open extra menu of this plugin
  4. Click Remove menu item
  5. At end, click Close button to return