Tab used to open/save file in MS Word?

In Microsoft Word, the File tab (often referred to as the Backstage view) is the primary location for managing documents and application settings. It provides essential commands such as 'Open,' 'Save,' 'Save As,' 'Print,' and 'New,' which are fundamental for file operations. Therefore, option C is the correct answer.

• The Home tab (A) contains common editing and formatting tools like font styles, paragraph settings, and clipboard functions.
• The Insert tab (B) is used for adding various elements to a document, including tables, pictures, shapes, and headers/footers.
• The View tab (D) controls how the document is displayed on the screen, offering options like different document views, zoom levels, and window arrangements.