Answer:
If you need to do this open word document, and select the whole content, and in fact of all pages, and click Ctrl + F. Now click on more options on down left corner. Now select the font, and then the italic option from there, plus font size if you know. Also, mention the word. Thus, now we have the italic data, and we have the new font. Now click ok. The changes will be made. And that's it you are done.
Step-by-step explanation:
The answer is self explanatory.