How to Attach EXE Files on Yahoo. Yahoo! Mail allows executable files as attachments in email messages; however, depending on the recipient's email service, the user may or may not be able to ...

If you use Yahoo for your email account, you can open attachments easily, and Yahoo will even scan attachments for you to check for viruses or potential threats to your system.

To attach a folder to an Email, in Outlook, Hotmail, Gmail, Yahoo, or any other email service provider, you can use this trick.