It is possible to mass change a set of due dates. Items can be individually searched for and added to a Saved List for altering or X-Referenced from the Borrower module for altering.
If you only need to target a smaller list borrowers by Borrower Barcode or Name, then this can be done in the next section.
It is possible to create a search that targets only items due on (or before or after) a particular date, and to identify items out on loan to a small group of borrowers (using their Borrower barcode).