Open Excel Options panel. Make sure that you are in the General tab. Find the Use this as the default font section. Choose the font. Expand the Font size menu. Choose the font size. Click the OK ...

However, if you want to hide the Paste Options button after pasting data in Excel, you can do so using in-built Excel settings, Registry Editor, and the Local Group Policy Editor.

While using the "Ctrl+C," "Ctrl+X" or "Ctr+V" keys, or the ribbon bar, to cut and paste from Excel is relatively simple and quick, there are easier and more productive options.

Also, if you're using multiple versions of Excel on the same computer, the default program for opening your files may be a different version of Excel than you'd prefer to use.

Operating on its default settings, Excel will offer to save the file in your Documents folder. But it’s hardly efficient to throw all of your Office files into a giant, disorganized shoebox.