While we fix the problem, you can send the file as a OneDrive link. When users select the Manage Microsoft Storage quota link at the bottom corner in Outlook.com, they are taken to a blank Settings page. If you can’t open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. You can check the location of your Outlook Data Files in Outlook. Gmail has a positive reputation when it comes to spam filtering.

Uninstalling this part of your virus scanner is strongly advised