To send or transport (a commodity, for example) abroad, especially for trade or sale. To cause the spread of (an idea, for example) in another part of the world; transmit. Computer Science To send (data) from one program to another: "You'll need to export your spreadsheet file into a desktop publishing program\u201d ( Jon Pepper). Computer Science To use an application to store (data) on disk, usually for use by another program. To send or transport abroad merchandise, especially for sale or trade. Exportation.