Suddenly one day when writing materials found word formatting brush shortcuts into Ctrl+Alt+C and Ctrl+Alt+V, with this twist, so explore how to change back to Ctrl+Shift+C and Ctrl+Shift+V, the following is a step-by-step record.
Open word options, file - > settings - > options
Click on the Customize ribbon in Word Options and click on the Customize button for Keyboard Shortcuts.
In Customize Keyboard, select All Commands, find the CopyFormat and PasteFormat commands in the right command bar, change the new shortcuts to your familiar keystrokes and select Assign to Save
You can select the shortcut before modification and delete it.