A user may select an attachment for an electronic message from a most recently used (MRU) list of files. For example, when a user is composing an electronic message, they may select a file to attach to the message from the MRU list. The recently used files that are included within the MRU list may be related to or more applications/locations and/or one or more computing devices. For example, the MRU list may include files accessed by one or more different authoring applications and/or files that have recently been accessed/created that are associated with the user.