How to fix missing add-in in Outlook 2019, 2016, or 2013

Please follow the steps below to troubleshoot and fix a missing Outlook add-in.

Determine if the Add-in is Inactive or Disabled

• Click on the File tab in the upper-left corner of the main Outlook window.

  

• Click Options.

  

• Click Add-ins in the left column of the next window.

  

• The list of add-ins is separated into three sections - Active, Inactive and Disabled. Locate the LeapFILE Add-in in the section then follow the corresponding instructions below.

  
  

Enable Inactive Add-in

1. If the add-in is listed under Inactive, make sure "COM Add-ins" is selected in the "Manage" drop-down and click "Go...".

   

2. Check the checkbox next to LeapFILE Add-in and click "OK".

3. Restart Outlook. Close Outlook, wait for 5 seconds, then start it again.

Enable Disabled Add-in

1. Select Disabled Items in the drop-down at the bottom of this window, next to the Go button.

   

2. Click Go.

   

3. Select the LeapFILE Add-in 

   

4. Click Enable in the lower-left corner of this window.

   
   

5. Restart Outlook. Close Outlook, wait for 5 seconds, then start it again.