A briefcase, is a type of file that you put other files into, then transffer that briefcase to an external hardrive(thumbdrive, flashdrive, etc.) and synchronize it with another computer by inserting the external hardrive. So this is useful for people who are always on the go and need to have files with them.
Yahoo! Briefcase is an online, or cloud file storage service. It allows users to upload files to their personal "Briefcase" and access them from anywhere via an internet connection. Some notable competing services include Dropbox, Google Drive and Microsoft SkyDrive.
Briefcase is a noun.
The lawyer opened his briefcase.The thief ran away with my briefcase.
The possessive form of the singular noun briefcase is briefcase's.example: My briefcase's strap is broken.
The plural of briefcase is briefcases
There are many places where one can purchase a men's briefcase. The best place to purchase a men's briefcase is at a local luggage store or briefcase store.
We were unable to squeeze an executive briefcase in.
THe UK Chancellor's briefcase is red.
The Briefcase kind, obviously...
I carried my briefcase with me through the airport.
These briefcase are also for men.