If you usually use a different font and font size in your documents, you can change the defaults. In Word 2016, the default font and font size is Calibri 12. Here are five ways you can save time when formatting Word 2016 documents: By customising some formatting features and using shortcuts, they can get presentation-quality documents with minimal effort. Most Microsoft Word 2016 users know the formatting basics, but many of them are unaware of the features they can use to streamline the formatting process.