Alt+left is a keyboard shortcut most commonly used to go back to previous web page on an Internet browser. Below are other programs that use this keyboard shortcut and related information.
How to use the Alt+left keyboard shortcut
Alt+left in Internet browsers
While in any Internet browser, pressing Alt+← goes back to the previous web page. For example, if you pressed this keyboard shortcut now, the browser would go to the web page that brought you to this page.
Alt+left in Windows File Explorer
While in Windows File Explorer, pressing Alt+← goes back to the previous folder. For example, if you opened the Windows folder and then went into the System32 folder, and then pressed this shortcut it would go back to the Windows folder.
Related keyboard shortcuts and keys
Below are links to related keyboard shortcuts and individual key pages.