This is probably common knowledge for many, but I did not know about this until I recently stumbled upon this feature. If you highlight the text you want to change in a Word document and choose Format>Change Case, you can change the case of type in a few different ways.
For example, you can convert a paragraph of all caps (not that anyone would actually commit such a type offense, especially in an e-mail) to normal sentence case without re-keying the info. There are a number of other options as well (see below), such as Change to: Sentence case, lowercase, UPPERCASE, Title Case or tOGGLE cASE:
Let me know if this was helpful, and if you’d like more quick tips like these, just let me know which topics you are interested in by sending a note to firstname.lastname@example.org.
All the best,