Is Microsoft Word 2016 typing over already existing text? Normally, there are a couple of different reasons text may be getting overwritten.
Fix 1 – Insert Key
Try pressing the “Insert” key to toggle typing back to regular functionality. The “Insert” key is usually found next to the “Backspace” key. If you’re on a laptop, you may have to hold down a Function (Fn) key while pressing another key to toggle “Insert”.
Fix 2 – Overtype Mode
There is an option in Word called Overtype Mode that may be causing this problem. You can enable or disable this feature by performing the following steps: