In many document interface applications, Ctrl + W or Ctrl + F4 closes a document and Alt + F4 quits. In other applications where each document is in its own window, such as later versions of Microsoft Word, Ctrl + W, Ctrl + F4 and Alt + F4 close a document, and there is no consistent shortcut for quitting an application.
Alternatively known as Control+W and C-W, Ctrl+W is a keyboard shortcut often used to close a program, window, tab, or document.
Use the ctrl+shift w keyboard shortcut
To use this keyboard shortcut, press and hold either the Ctrl key, and while continuing to hold, press W.
Utilization ctrl+shift w in Internet browser
In all major Internet browsers (eg, Chrome, Edge, Firefox, Opera), pressing Ctrl + W closes the current tab. If more than one tab is not open, pressing Ctrl+W closes the browser.
You can use the Ctrl+Shift+Tab keyboard shortcut to restore or undo a closed tab.
Utilization of ctrl+shift w in Excel
In Microsoft Excel and other spreadsheet programs, pressing Ctrl+W closes the current workbook. If you’re editing the contents of a cell and press Ctrl+W, nothing will happen.
Utilization of ctrl+shit w in microsoft powerpoint
In Microsoft PowerPoint, the Ctrl+W keyboard shortcut closes the current presentation.
Microsoft word keyboard shortcut : Ctrl + shit W
Shortcuts on your computer keyboard can help save you time when you’re working in Microsoft Word. Here’s shortcut :

“Exit document” means that in Word, the file that you are working on will close, leaving the empty “Microsoft Word” window. From there, you may open a document or create a new one.
If you have multiple “Word” windows open, it will immediately exit out of the one you are currently in and go to the next open Word document.