Watermarks are faded background text or images that sit behind the text in a document. You can use them to indicate a document's status (such as confidential or draft), add a subtle company logo ...

The faint or washed-out text that appears in the background of your content is a watermark. Its purpose is to mark the authenticity of the maker. Office applications like Microsoft Word allow you ...

Now, you can find your text or watermark in the background that is non-editable. If you want to add the same watermark in all the slides, you need to select each slide at a time and repeat the ...