The document lists 15 magic Excel functions that will make working in Excel easier, such as using Alt+Enter to write multiple rows in one cell, Ctrl+space to select an entire column, and F2 to easily edit text in a cell. It also provides shortcuts for selecting entire rows, columns, sheets, and ranges of cells as well as functions for locking and unlocking rows and columns during selection. The document concludes by wishing the reader good luck with their Excel work.