Updated: 10/17/2017 by Computer Hope

A spool may refer to any of the following:

spool definition1. Short for Simultaneous Peripheral Operations On-Line, Spool is often used to describe a task such as a print job. See the print spool definition for further information.

2. Spool was also a large reel of 1/2-inch-wide magnetic tape used with old mainframe computers.

3. Alternatively referred to as a mail spool or spool file, a spool is a temporary location or name of the directory some e-mail services use to store e-mail until the client retrieve it.

4. Alternatively referred to as a news spool the spool is a temporary location to store Usenet articles.

5. See the spooling dictionary definition for other related terms.

E-mail terms, Print spooler, Printer terms, Spool folder, Spooler, Spooling, Tape drive terms