Which key is used to save a document in MS office word?

key used to save the documents is control+s

ctrl+S is used to save the word document

first select the document of you want to save then go to file menu, as we see as save(ctrl+s) then it shows you to give a file name then give file name and click on save.

Ctrl+S or you can select file then Save. 

Open the Save as window in Microsoft Word. Shift + F12 saves the Microsoft Word document (like Ctrl + S). Ctrl + Shift + F12 prints a document in Microsoft Word. With an Apple running Mac OS 10.4 or later, F12 shows or hides the Dashboard.

For saving a document in MS word use ctrl+S

in ms office the is used to save the documents is ctrl s

If you want to save your document as you type you should press Ctrl + s button.