First, set the title format.

1, select all the first-level titles in the article;

2. Click the title 1 on the start tab, as shown;

Imitate steps 1 and 2, and set the format of secondary and tertiary headers as header 2 and header 3.

Second, automatically generate the directory.

1. Position the cursor to the left of the character 1 in the first line of page 1 of the article (the directory should be in front of the article);

2. Click Reference-> Directory-> Insert Directory, as shown in the figure:

3. Pop up the Directory dialog box, select the Directory tab, make relevant settings, and click OK to automatically generate the article directory.

Third, update the catalogue.

1, click the reference-> update directory button;

2. The Update Directory dialog box pops up, and you can select one as needed.

Fourth, the use of the directory.

For the directory generated automatically by the above method, hold down the Ctrl key, click the mouse on the directory, and enter the location of the title.