The huge advantage of setting up your bullets in the way described here is that it puts you in charge, not Word! It is stable and reliable.

If you want to change the look of the bullets or use multiple-levels of bullets, it will take about 3 minutes to get control of bullets. It will take you about 10 seconds to get one level of bullets working well.

The key is to use Word's built-in List Bullet Styles. This page describes how to control bullets in Word. You constantly seem to be re-setting the indents, or re-applying the bullets, or the bullets change size. Managing bullets in anything but the simplest of Microsoft Word documents can easily drive you crazy. The styles will manage the bullets and the indents. Modify the bullets and indenting by modifying the numbering settings of the List Bullet styles.Modify the List Bullet styles so you can have the font, paragraph and other formatting to suit your needs.Apply List Bullet styles to paragraphs you want bulleted.It looks inviting, but it's not not what you need.

Don't use Format > Bullets and Numbering.

Quick reference to controlling bullets in Word

Microsoft word change indent size