To ensure standard and efficient formatting of Word documents, the Ruler is an indispensable tool. It enables quick and precise formatting, especially ensuring proper indentation for all paragraphs. This article provides methods to toggle the Ruler on and off as needed in Office 2016.
For instance, when you want to indent text by 1 inch but cannot see the Ruler, formatting becomes challenging:

Displaying the Ruler is a straightforward task. You can do it in one of two ways:
Method 1: Displaying the Ruler Using Keyboard Shortcuts
When the Ruler is not visible, simply press the Alt + W shortcut - all corresponding shortcut keys will be displayed as shown:

Next, just press the R key - the result will be the Ruler appearing both horizontally and vertically on your document:

If for any reason you prefer not to display the Ruler on your document, continue pressing the Alt + W shortcut followed by the R key once more.
After the Ruler appears, you can format as desired, such as indenting paragraphs across the entire document:

Method 2: Displaying the Ruler via the View Tab
To display the Ruler, navigate to the View tab -> Show -> check the Ruler option:

The result is the appearance of the Ruler:

If you wish to disable the Ruler feature, simply uncheck the option under the Ruler section.

With just a few simple steps, you can easily toggle the Ruler toolbar to format your text swiftly. Best wishes for your success!