Service Pack: It’s an update or combination of previous updates helps to make our product more reliable. It includes new fixes, functionality additions and all fixed that released previously (means Previous Service packs, Cumulative updates). That means if MS people released a service pack recently means that contains all the list of features up to date. Service packs will not be multilingual. We have to download and install separate service packs for each installed language. We must install service packs for specific product as soon as possible. Microsoft provides all the latest fixes and updates in Service pack. There are no prerequisites for Service pack installations because each service pack includes all the recent updates from product release. Service Packs will not release frequently. Cumulative Update (CU): Cumulative update is collection of all the hot-fixes up to date. Generally Office hot fixes are released for every two months in a package. It includes fixes for all the is...