I'm a drupal newbie so excuse me if I'm using the incorrect terminology or my description is not very clear. I have a webform with a file upload field using the File widget. I upload files for users to download. When I upload a file to the webform and save the page, drupal adds a _X (where X is a number) to the file name just before the extension. For e.g if I upload myfile.tgz, drupal renames the file myfile_0.tgz. This can be quite annoying especially for tar files that auto install because users have to rename the files manually after downloading. I have gone to 'Administration-->Content Types-->Webform-->Manage Fields-->File' to make sure all the extensions I want to allow (tgz, tar.gz etc.) are enabled but this doesn't prevent the renaming. This happens even when there's no file with the same name already existing. How can I prevent this?