EndNote does not provide an automatic way to import references from a Word file into the application. However, it is possible to do using the following method. This method works best with journal articles, and requires you to use two additional services in addition to EndNote: Zotero and Crossref.
1. Download and install the free citation management software Zotero and the Zotero Connecter browser plugin from https://www.zotero.org/download/.
2. Copy the references from your Word document onto the clipboard by highlighting them, right clicking, and clicking Copy.
3. Go to the Crossref Simple Text Query form at https://doi.crossref.org/simpleTextQuery. (You do not need to register for a Crossref account.)
4. Paste the references into the Simple Text Query box by right clicking in the box and clicking Paste. Then click Submit.
5. On the resulting screen, click the Zotero Connector plugin icon in your browser, next to the URL Address bar. It looks like a little folder. Click Select All. Click OK.
6. Open the Zotero application. Under your Group Libraries, you will now have a group called export-endnote. Select all references by clicking one of them, and pressing Ctrl+A (Command+A on Mac). Right click on any of them, and click Export.
7. In the Format drop-down menu, click EndNote XML. Click OK. Save the file to a location of your choosing.
8. Open EndNote. Click File > Import > File. Click Choose and navigate to your saved EndNote XML file. Click Open. In the Import Options dropdown menu, click EndNote generated XML. Click Import.
9. The references will now appear in your Imported References folder.