Outlook 2016 for Mac allows you to send files and folders as attachments to your email messages. Files are sent individually, but folders and their contents are compressed and sent as a single .zip file.

To attach a file or folder, follow these instructions:

1. From within your message, go to Message < Attach File.
2. Locate the item or folder that you want to attach, select it, and then select Choose.
3. If you are attaching a folder, on the confirmation dialog box, select Compress.

For detailed instructions with screenshots, view this Microsoft article Attach a file or folder to a message in Outlook 2016 for Mac.

Tips:

• A list of the attachments to the message will appear below the Subject box.
• To remove an attachment from a message, hold down Control, click the attachment, then click Remove.
• You can also Add Attachments by dragging a file or folder from your Desktop or Finder into the body of the message.

Other Options:

• Add a picture or background to a message in Outlook 2016 for Mac
• Create or remove a hyperlink in a message in Outlook 2016 for Mac