‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful!

If the F2 key does not work and allow you to rename files & folders in Windows 11/10, then remap, change behavior or disable the app causing the interference.

As part of key combos in Word, Excel, and Outlook, they make it easier and faster to perform commonly used commands. Here are 15 of the most essential function-key strokes.