In the Mail app next to a mailbox until it lifts up, then drag it to the new position.
Create a new mailbox: Tap New Mailbox in the lower-right corner, then follow the onscreen instructions.
Rename a mailbox: Tap the mailbox, then tap the title. Delete the name, then enter a new name.
Delete a mailbox: Tap the mailbox, then tap Delete Mailbox.
While viewing a list of emails, tap Edit.
Select the emails you want to move or mark by tapping their checkboxes.
Tip: To select multiple emails quickly, swipe down through the checkboxes.
Tap Mark, Move, or Trash at the bottom of the screen.
If you use multiple email accounts with the Mail app, you can use the mailboxes list to view emails from one account at a time.
Tap , then tap Move to Junk.