In Microsoft Excel you canĀ use formating tools like colors, text alignment, font styles and many more to make your sheets look nicer and more transparent.
If you are sick of all the stuff a certain Facebook Page is feeding you or you just don't like the brand anymore, this is how you Unlike Facebook Pages.
If you don't want others to use your photos and images without your permission, you can create a so called custom watermark with your name or any other text you want.