 I'm going to discuss about the usefulness of CSL editor when you are using mainly referencing software. I'm going to show here the Vancouver style modification. I have clicked on this search by name. The most popular styles will be available here. I'm clicking on this Vancouver. I'm going to click on this edit. I'm clicking on the create new style based on the Vancouver. So I clicked on this. You want to change the number pattern. It will automatically show the layout, the citation labels. So like this you can change, add editor any new group. So using this macros. After this, what you need to do is go to style, save style, then automatically the link will be appearing here. Copy the link address, then go back to the Word document, citation settings, change citation style, click on add a custom style, then you paste your link, click on the update citation style. Automatically the citation styles has been converted into likewise you can edit the citations and also the bibliography present here.