One downside of the universal inbox interface is that it won't let you switch to another mail folder.

First, the small: the Outlook integration only allows you to store one mail folder on your device.

I want to tell the "Inbox" sync to target several of my mail folders.

The same goes for Mail with its fast search field in addition to traditional mail folders.

In 1993, the server was rewritten to support mail folders, a necessity.

Reply to a message, and you'll see the reply in your Sent mail folder back at the office.

The users can always look in the suspect mail folder to see if something hasn't gotten through that they want to read.

At far left: your list of mail folders, as usual.

One friend of mine had 27,000 emails in her outbound mail folder, including some from 2002.

Some e-mail clients use a modification of the mbox format for their mail folders.