In CyberArticle, click "Main Menu->Tools->Book Sync" successively so as to synchronize two different books:
 
 
Click "Open Book 1/2" button so as to open two different books.

Sync options

Sync: Set a sync direction;
Compare: Set a comparision method;
  • Compare URL: Judge whether an article is existing in a book or not, by comparing the URL of the article;
  • Compare Title: Judge whether an article is existing in a book or not, by comparing the title of the article with the folder in which the article is existing.
Click "OK" so as to synchronize two books.

Notice

Sync operation is to copy articles merely existing in a book to another book.