Third-party app: Some third-party keyboard apps have the ability to interfere with the functionality of your keyboard, and that could be the reason why Alt-Tab is not working in Windows 11.

If the keyboard Tab key is not working on your Windows PC, this guide is for you. We will look at different ways to fix the issue and return the Tab key back to normal functioning.

For example, I am mapping the ‘Tab’ key to the backspace key so that every time I press the ‘Tab’ key, the backspace function is performed.