when combining several word documents into one, blank pages are added to the resulting document under each embedded document.
Version 11.3.0 of spire.doc
code:
Document word_doc = new Document();
word_doc.loadFromFile(sRutaD_W_PP);
word_doc.insertTextFromFile(sRutaD_W_TL, com.spire.doc.FileFormat.Doc);
word_doc.insertTextFromFile(sRutaD_W_TC, com.spire.doc.FileFormat.Doc);
word_doc.saveToFile(sRutaD_W, com.spire.doc.FileFormat.Doc);