If you have Favorites in MySlice they will be copied to the new MySlice.
Click on in You may quickly access frequently used pages by saving them as Favorites in MySlice. Select the NavBar compass icon () in the upper-right corner and then click on select Favorites. Favorites from all PeopleSoft applications appear in alphabetical order in one list with a " prefix " to keep them organized by application ("CS" stands for "Campus Solutions; "HCM" stands for "Human Capital Management").
Add to Favorites
After navigating to the page, select the 3-dots in the upper right corner and select Add to Favorites.