How to attach a Folder to an Email To attach a folder to an email, you can either compress the folder into a file and then attach it, or upload the folder to a cloud service and then send its link.

Select Next > Close > Finish. Select the Send/Receive All Folders button in the upper-left corner of the Outlook window or press F9 to try sending your email.

It's time to clean up your inbox. Gmail has the option to create folders or "labels" so your emails go to the right place within your account.