Microsoft Office Applications such as Word and Excel, last action can be repeated using keyboard shortcuts. For example if you have formatted a word with specific style and you want to repeat/apply the same format for other words then you can press F4 or Ctrl + Y or Alt + Enter. This can be used for copying drawings or formatting excel cells thus reducing the steps and saves time.
Change the keyboard shortcut for Repeat Action
Microsoft Office users can change the keyboard shortcut associated for Repeat action using Settings. Let us see these steps in Word 2016 & 2013
Step 1: Click File menu then Options and navigate to Customize Ribbon
Step 2: In the Customize Ribbon screen, click Customize button available next to Keyboard shortcuts.
Step 3: In the Customize Keyboard window, select All Commands under Categories and pick EditRedoOrRepeat under Commands. You should be able to see the keys that are currently associated with Repeat action.
Step 4: Navigate to Press new shortcut key option and enter the keyboard shortcut.
Step 5: Click Assign to confirm and apply your changes.