I like to do crossword puzzles. As an author I learn new words and their definition and correct spelling. They are a good way to add to your vocabulary.
Read Aloud Function in Microsoft Word
I have been using the Read Aloud Function in Microsoft Word to edit my articles, blogs, and books. It is a great way to catch errors and overused words and phrases. I guarantee it will help your writing.
In a Microsoft Word document, select the review function and examine the many editing opportunities available. Select Read Aloud and begin listening to your writing. You can concentrate on editing the document. You can pause reading when you make corrections.
Other useful options in this menu are Check Document, Thesaurus, and Word Count. Check document will check for spelling and grammar. Be aware that it will identify problems in quoted material. The Thesaurus is great to find words which are better fits in your document and suggest alternate words. I also use Word Count to keep within editors limitations (only 200, 1000, or 100,000 words).
What editing tools do you use?