Why is it useful? It means that if you are editing or otherwise tidying up a document, you can see what’s been done in order to resolve it. Basically, this means that you can see where the author of a document has pressed the Return key or Tab or Space, or inserted a forced break or some other formatting. Word gives you the option to view paragraph marks and other hidden formatting symbols. What were all these funny symbols? Where had they come from and, more importantly, how could she get rid of them? Showing paragraph marks and other hidden formatting symbols
All sorts of odd marks had appeared in her Word document.
A friend got in touch recently in a bit of a panic.