Unfortunately, Word doesn't propose the option to change the pre-defined numeration AA, BB, CC... to the AA, AB, AC... as it required for different cases. This tip proposes step by step guide how to create the necessary numeration AA, AB, AC, etc.:

There are several useful shortcuts that can help to change the style settings of a paragraph without the mouse. But you can add other shortcuts for your own style or any existing style in Word 2016.

When you work with bookmarks in a Word document, it can be convenient to show or hide them.
Fortunately, you can show only bookmarks in a Word document, without other nonprintable symbols.

A lot of Word documents contain repeated information especially legal documents such as contracts, agreements, invoices, etc. They all contain details of one or two parties that should be repeated two or more times. You can easily create a document with all necessary information in one place and add some special fields for duplicated information:

When you add formulas to your document, it may need to add captions - auto-numbered on the same line as equation right justified. It is easy to add captions for the equation:

Fields in a document Word are popular. Using fields, you can add page numbers, current dates, any types of references, formulas, etc. Word proposes different settings how to display fields in a document:

Word provides some simple formulas and functions without need to embed Excel tables. It is easy to insert and use formulas:

If you have a table in the Word document, you can insert some formulas and functions in it without using an Excel table. It is easy and fast to insert a formula to the Word table that use the values of some table cells.

In some Word documents you need to use formulas, such as summing, subtracting, multiplying, or dividing certain values:

If you create an official document in Microsoft Word, you must adhere to strict formatting rules. One of them is avoiding “hanging” lines, i.e., a single line of a paragraph should not be on a separate page, neither the first nor the last.