Simply open your Word document, scroll down to the figure and select figure’s caption. Now, click on the arrow besides Change Styles, and select Heading style from options available suppose I selected Heading 5, in the same manner apply Heading 5 to all figure’s captions of your document
Click on References menu > Insert Table of Figures
Following window will open, make here changes according to your requirement and click Options button
In this window select Heading 5 as Style and click OK and also close the previous screen
See Table of Figures is inserted in document
Update Table of Figures
In case if you insert or delete and figure in document then you also have to update table of figures, to do that simply select the table of figures you created and navigate to References menu > Update Table and that’s all.