Definition of service pack in US English:

service pack

(also SP)


  • A periodically released update to software from a manufacturer, consisting of requested enhancements and fixes for known bugs.

    • ‘Microsoft has tied the 64-bit support to its release of the first service pack for Windows Server 2003, which is one of the main reasons for all these delays.’
    • ‘Install the latest service pack for your operating system to enable large drive support and use Disk Management to partition and format the array.’
    • ‘This service pack includes a firewall which monitors traffic in both directions and which will be on by default.’
    • ‘After downloading the service pack, you'll need to extract the contents.’
    • ‘What do I need to do in order to install the service pack and have access to the Internet?’