If the Add-in is not updating in New Outlook please first try Methods 1 to 4 on the page Add-in is not updating in Classic Outlook.


If those don't resolve the issue you can clear the cache as follows:



  1. Close the New Outlook app
  2. Press the Windows + R keys together to open the Run box
  3. Type or paste the command olk.exe --devtools in the Run box and click OK
  4. This will launch both an Outlook window and a DevTools window
  5. Position them so that you can see both
  6. Make sure that the CloudFiler Add-in is showing in Outlook
  7. In the DevTools window, click the Application button on the toolbar

  1. In the left-hand panel, expand the Local storage section, find the https://addin.cloudfiler.io link, right-click it and select Clear.

  1. Repeat for the Session storage
  2. Repeat for the Cookies section
  3. Try clicking on a new email to refresh the Add-in



If this does not resolve the issue, try disabling the cache:


  1. Click on Network in DevTools

  1. Select Disable cache

  1. Click on another email. This will cause the Add-in to reload
  2. Close and re-start Outlook