Go to the check box you want to fill. Click the "Insert" tab on the ribbon and select "Symbols," then "Symbol" and choose the Wingdings font. Scroll to the bottom and choose a check symbol.

We show you how to insert emojis in Excel using symbols, icons, UNICHAR function, Emoji Picker, and Alt Keyboard.

This screenshot guide shows you hwot to create, customize and insert a watermark in Microsoft Excel using two different methods.